9643 9649 9661 9677 9679 9689 9697 9719 9721 9733 23459 23473 23497 23509 23531 23537 23539 23549 23557 23561 Wikipedia also lists the twenty highest known prime numbers, only the four smallest on that list have fewer than three million digits.. For some while now, I have been wondering about the smaller prime numbers we haven't found. 87121 87133 87149 87151 87179 87181 87187 87211 87221 87223 Eisenstein integers that are irreducible and real numbers (primes of the form 3n1). 121021, 121151, 150151, 151051, 151121, 180181, 180811, 181081 (OEIS:A134996). 4241 4243 4253 4259 4261 4271 4273 4283 4289 4297 67247 67261 67271 67273 67289 67307 67339 67343 67349 67369 85831 85837 85843 85847 85853 85889 85903 85909 85931 85933 65777 65789 65809 65827 65831 65837 65839 65843 65851 65867 92251 92269 92297 92311 92317 92333 92347 92353 92357 92363 65167 65171 65173 65179 65183 65203 65213 65239 65257 65267 8747 8753 8761 8779 8783 8803 8807 8819 8821 8831 86201 86209 86239 86243 86249 86257 86263 86269 86287 86291 62659 62683 62687 62701 62723 62731 62743 62753 62761 62773 Random 5 Digit Number Generator. Write the smallest 5-digit number and express it in the form of its prime factors by tree diagram. 2, 3, 211, 5, 23, 7, 3331113965338635107, 311, 773, 11, 223, 13, 13367, 1129, 31636373, 17, 233, 19, 3318308475676071413, 37, 211, 23, 331319, 773, 3251, 13367, 227, 29, 547, 31, 241271, 311, 31397, 1129, 71129, 37, 373, 313, 3314192745739, 41, 379, 43, 22815088913, 3411949, 223, 47, 6161791591356884791277 (OEIS:A037274). Numbers that have more than two factors are called composite numbers. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. 75721 75731 75743 75767 75773 75781 75787 75793 75797 75821 90379 90397 90401 90403 90407 90437 90439 90469 90473 90481 Primes p such that neither p 2 nor p + 2 is prime. 24671 24677 24683 24691 24697 24709 24733 24749 24763 24767 1. 86381 86389 86399 86413 86423 86441 86453 86461 86467 86477 18911 18913 18917 18919 18947 18959 18973 18979 19001 19009 41513 41519 41521 41539 41543 41549 41579 41593 41597 41603 78121 78137 78139 78157 78163 78167 78173 78179 78191 78193 13513 13523 13537 13553 13567 13577 13591 13597 13613 13619 67967 67979 67987 67993 68023 68041 68053 68059 68071 68087 Mersenne primes and perfect numbers are two deeply interlinked types of natural numbers in number theory.Mersenne primes, named after the friar Marin Mersenne, are prime numbers that can be expressed as 2 p 1 for some positive integer p.For example, 3 is a Mersenne prime as it is a prime number and is expressible as 2 2 1. 26209 26227 26237 26249 26251 26261 26263 26267 26293 26297 40289 40343 40351 40357 40361 40387 40423 40427 40429 40433 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 47, 53, 59, 67, 71, 83, 89, 101, 107, 109, 113, 127, 131, 137, 139, 149, 157, 167, 179, 181, 191, 197, 199, 211, 227, 233, 239, 251, 257, 263, 269, 281, 293, 307, 311, 317, 337, 347, 353, 359, 379, 389, 401, 409 (OEIS:A109611). Here are the prime numbers from 1-100: All in all, there are 25 prime numbers from 1-100. 41609 41611 41617 41621 41627 41641 41647 41651 41659 41669 37957 37963 37967 37987 37991 37993 37997 38011 38039 38047 9461 9463 9467 9473 9479 9491 9497 9511 9521 9533 6841 6857 6863 6869 6871 6883 6899 6907 6911 6917 30577 30593 30631 30637 30643 30649 30661 30671 30677 30689 15887 15889 15901 15907 15913 15919 15923 15937 15959 15971 70823 70841 70843 70849 70853 70867 70877 70879 70891 70901 547 557 563 569 571 577 587 593 599 601 65393 65407 65413 65419 65423 65437 65447 65449 65479 65497 89767 89779 89783 89797 89809 89819 89821 89833 89839 89849 877 881 883 887 907 911 919 929 937 941 6229 6247 6257 6263 6269 6271 6277 6287 6299 6301 13, 109, 193, 433, 769, 1201, 1453, 2029, 3469, 3889, 4801, 10093, 12289, 13873, 18253, 20173, 21169, 22189, 28813, 37633, 43201, 47629, 60493, 63949, 65713, 69313, 73009, 76801, 84673, 106033, 108301, 112909, 115249 (OEIS:A002648), 3, 393050634124102232869567034555427371542904833 (OEIS:A050920). 7001 7013 7019 7027 7039 7043 7057 7069 7079 7103 49871 49877 49891 49919 49921 49927 49937 49939 49943 49957 48413 48437 48449 48463 48473 48479 48481 48487 48491 48497 80177 80191 80207 80209 80221 80231 80233 80239 80251 80263 95443 95461 95467 95471 95479 95483 95507 95527 95531 95539 100559 100591 100609 100613 100621 100649 100669 100673 100693 100699 for some 50599 50627 50647 50651 50671 50683 50707 50723 50741 50753 4507 4513 4517 4519 4523 4547 4549 4561 4567 4583 76673 76679 76697 76717 76733 76753 76757 76771 76777 76781 More details are in the article for the name. 16p 1 1 (mod p2): 1093, 3511 101287 101293 101323 101333 101341 101347 101359 101363 101377 101383 53047 53051 53069 53077 53087 53089 53093 53101 53113 53117 1297 1301 1303 1307 1319 1321 1327 1361 1367 1373 This is the complete index for the prime curiosity collection--an exciting collection of curiosities, wonders and trivia related to prime numbers and integer factorization. 1-50 1-100 1-1000 Odd Even Prime List Randomizer Random Numbers Combinations Number Converters. 179 181 191 193 197 199 211 223 227 229 The greatest common factor of relatively prime numbers is equal to 1 and the least common multiple of them is equal to the product of these numbers. The number 1 is neither prime nor composite. 45191 45197 45233 45247 45259 45263 45281 45289 45293 45307 47947 47951 47963 47969 47977 47981 48017 48023 48029 48049 6373 6379 6389 6397 6421 6427 6449 6451 6469 6473 68729 68737 68743 68749 68767 68771 68777 68791 68813 68819 5 16411 16417 16421 16427 16433 16447 16451 16453 16477 16481 2, 3, 5, 11, 23, 29, 41, 53, 83, 89, 113, 131, 173, 179, 191, 233, 239, 251, 281, 293, 359, 419, 431, 443, 491, 509, 593, 641, 653, 659, 683, 719, 743, 761, 809, 911, 953 (OEIS:A005384). 72251 72253 72269 72271 72277 72287 72307 72313 72337 72341 38651 38653 38669 38671 38677 38693 38699 38707 38711 38713 39043 39047 39079 39089 39097 39103 39107 39113 39119 39133 55871 55889 55897 55901 55903 55921 55927 55931 55933 55949 Where p and 2p + 1 are both prime. 15511 15527 15541 15551 15559 15569 15581 15583 15601 15607 The last result that came out of GIMPS was $2^{74\,207\,281} - 1$, with over twenty million digits. 20161 20173 20177 20183 20201 20219 20231 20233 20249 20261 Primes that having any one of their (base 10) digits changed to any other value will always result in a composite number. 2p 1 1 (mod p2): 1093, 3511 (OEIS:A001220) 70457 70459 70481 70487 70489 70501 70507 70529 70537 70549 For the first 1000 prime numbers, this calculator indicates the index of the prime number. 8p 1 1 (mod p2): 3, 1093, 3511 54881 54907 54917 54919 54941 54949 54959 54973 54979 54983 88093 88117 88129 88169 88177 88211 88223 88237 88241 88259 64327 64333 64373 64381 64399 64403 64433 64439 64451 64453 50873 50891 50893 50909 50923 50929 50951 50957 50969 50971 18433 18439 18443 18451 18457 18461 18481 18493 18503 18517 89977 89983 89989 90001 90007 90011 90017 90019 90023 90031 A subset of Mersenne primes of the form 22p11 for prime p. 7, 127, 2147483647, 170141183460469231731687303715884105727 (primes in OEIS:A077586). The classes 10n+d (d = 1, 3, 7, 9) are primes ending in the decimal digit d. 2n+1: 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53 (OEIS:A065091) ( How long is it safe to use nicotine lozenges? 15161 15173 15187 15193 15199 15217 15227 15233 15241 15259 25409 25411 25423 25439 25447 25453 25457 25463 25469 25471 19p 1 1 (mod p2): 3, 7, 13, 43, 137, 63061489 (OEIS:A090968)[20] 44647 44651 44657 44683 44687 44699 44701 44711 44729 44741 17203 17207 17209 17231 17239 17257 17291 17293 17299 17317 17977 17981 17987 17989 18013 18041 18043 18047 18049 18059 36523 36527 36529 36541 36551 36559 36563 36571 36583 36587 25919 25931 25933 25939 25943 25951 25969 25981 25997 25999 1. where x=y + 1. 74311 74317 74323 74353 74357 74363 74377 74381 74383 74411 68219 68227 68239 68261 68279 68281 68311 68329 68351 68371 Find out how old you are to the nearest second! Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. 40177 40189 40193 40213 40231 40237 40241 40253 40277 40283 38377 38393 38431 38447 38449 38453 38459 38461 38501 38543 So 2 is prime (in fact two is the only even prime number!). p 3, 11, 37, 101, 9091, 9901, 333667, 909091, 99990001, 999999000001, 9999999900000001, 909090909090909091, 1111111111111111111, 11111111111111111111111, 900900900900990990990991 (OEIS:A040017), 3, 11, 43, 683, 2731, 43691, 174763, 2796203, 715827883, 2932031007403, 768614336404564651, 201487636602438195784363, 845100400152152934331135470251, 56713727820156410577229101238628035243 (OEIS:A000979), 3, 5, 7, 11, 13, 17, 19, 23, 31, 43, 61, 79, 101, 127, 167, 191, 199, 313, 347, 701, 1709, 2617, 3539, 5807, 10501, 10691, 11279, 12391, 14479, 42737, 83339, 95369, 117239, 127031, 138937, 141079, 267017, 269987, 374321 (OEIS:A000978), A prime p>5, if p2 divides the Fibonacci number 8221 8231 8233 8237 8243 8263 8269 8273 8287 8291 23911 23917 23929 23957 23971 23977 23981 23993 24001 24007 80819 80831 80833 80849 80863 80897 80909 80911 80917 80923 ) 24889 24907 24917 24919 24923 24943 24953 24967 24971 24977 A prime number is a whole number greater than 1 whose only factors are 1 and itself. 23831 23833 23857 23869 23873 23879 23887 23893 23899 23909 72043 72047 72053 72073 72077 72089 72091 72101 72103 72109 instructions how to enable JavaScript in your web browser, Converting Decimals to Fractions Worksheets, Multiplying Negative Numbers Online Practice, Subtracting Negative Numbers Online Practice. 94007 94009 94033 94049 94057 94063 94079 94099 94109 94111 12n+7: 7, 19, 31, 43, 67, 79, 103, 127, 139, 151, 163, 199, 211, 223, 271 (OEIS:A068229) 7649 7669 7673 7681 7687 7691 7699 7703 7717 7723 3581 3583 3593 3607 3613 3617 3623 3631 3637 3643 73727 73751 73757 73771 73783 73819 73823 73847 73849 73859 104309 104311 104323 104327 104347 104369 104381 104383 104393 104399 Largest known prime number. 93503 93523 93529 93553 93557 93559 93563 93581 93601 93607 mod A prime number (or a prime) is a natural number that has exactly two distinct natural number divisors: 1 and itself. 102559 102563 102587 102593 102607 102611 102643 102647 102653 102667 39139 39157 39161 39163 39181 39191 39199 39209 39217 39227 99401 99409 99431 99439 99469 99487 99497 99523 99527 99529 35407 35419 35423 35437 35447 35449 35461 35491 35507 35509 By definition a 10 digit prime is not "safe" of course. Primes p for base 10: 7, 17, 19, 23, 29, 47, 59, 61, 97, 109, 113, 131, 149, 167, 179, 181, 193, 223, 229, 233, 257, 263, 269, 313, 337, 367, 379, 383, 389, 419, 433, 461, 487, 491, 499, 503, 509, 541, 571, 577, 593 (OEIS:A001913). Here is the list of composite numbers from 1 to 100 in Maths. {\displaystyle 0\leq a\pm b<10} Hence, 5 is a prime number but 8 is not a prime no, instead, it is a composite number. 14327 14341 14347 14369 14387 14389 14401 14407 14411 14419 58603 58613 58631 58657 58661 58679 58687 58693 58699 58711 78487 78497 78509 78511 78517 78539 78541 78553 78569 78571 Subsets of the prime numbers may be generated with various formulas for primes. 77263 77267 77269 77279 77291 77317 77323 77339 77347 77351 Prime numbers list List of prime numbers up to 100: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, . 54547 54559 54563 54577 54581 54583 54601 54617 54623 54629 The complete list: 2, 3, 5, 7, 23, 37, 53, 73, 313, 317, 373, 797, 3137, 3797, 739397 (sequence A020994 in the OEIS) Like 2, 3, 5, 7, 11, 13, 19, 23, 29 etc. 9293 9311 9319 9323 9337 9341 9343 9349 9371 9377 67477 67481 67489 67493 67499 67511 67523 67531 67537 67547 92177 92179 92189 92203 92219 92221 92227 92233 92237 92243 84919 84947 84961 84967 84977 84979 84991 85009 85021 85027 What is the smallest 5 digit prime number? 46751 46757 46769 46771 46807 46811 46817 46819 46829 46831 The first few prime numbers are 2, 3, 5, 7, 11, 13, 17, 19, 23 and 29. 71119 71129 71143 71147 71153 71161 71167 71171 71191 71209 34543 34549 34583 34589 34591 34603 34607 34613 34631 34649 104417 104459 104471 104473 104479 104491 104513 104527 104537 104543 36973 36979 36997 37003 37013 37019 37021 37039 37049 37057 , where the Legendre symbol 57751 57773 57781 57787 57791 57793 57803 57809 57829 57839 Prime and Composite Numbers Prime Numbers - Advanced Prime Number Lists. 92369 92377 92381 92383 92387 92399 92401 92413 92419 92431 6763 6779 6781 6791 6793 6803 6823 6827 6829 6833 Zero and 1 are not considered prime numbers. 2437 2441 2447 2459 2467 2473 2477 2503 2521 2531 Advertisement. All other even numbers can be divided by 2. 87251 87253 87257 87277 87281 87293 87299 87313 87317 87323 66947 66949 66959 66973 66977 67003 67021 67033 67043 67049 5641 5647 5651 5653 5657 5659 5669 5683 5689 5693 120 numbers Final answer: from the given digits 1,2,3,4,5 we can for 120 numbers which contain 5 digits. A circular prime number is a number that remains prime on any cyclic rotation of its digits (in base 10). 64951 64969 64997 65003 65011 65027 65029 65033 65053 65063 54767 54773 54779 54787 54799 54829 54833 54851 54869 54877 7841 7853 7867 7873 7877 7879 7883 7901 7907 7919 33457 33461 33469 33479 33487 33493 33503 33521 33529 33533 12569 12577 12583 12589 12601 12611 12613 12619 12637 12641 For full functionality of this site it is necessary to enable JavaScript. Donations to freeCodeCamp go toward our education initiatives, and help pay for servers, services, and staff. and all our other Math games and resources. 13883 13901 13903 13907 13913 13921 13931 13933 13963 13967 38923 38933 38953 38959 38971 38977 38993 39019 39023 39041 giving all the prime numbers up to a certain value. 75403 75407 75431 75437 75479 75503 75511 75521 75527 75533 The 13th, 14th, and 51st have respectively 157, 183, and 24,862,048 digits. 13417 13421 13441 13451 13457 13463 13469 13477 13487 13499 9539 9547 9551 9587 9601 9613 9619 9623 9629 9631 72931 72937 72949 72953 72959 72973 72977 72997 73009 73013 811 821 823 827 829 839 853 857 859 863 98773 98779 98801 98807 98809 98837 98849 98867 98869 98873 12n+11: 11, 23, 47, 59, 71, 83, 107, 131, 167, 179, 191, 227, 239, 251, 263 (OEIS:A068231), 5, 7, 11, 23, 47, 59, 83, 107, 167, 179, 227, 263, 347, 359, 383, 467, 479, 503, 563, 587, 719, 839, 863, 887, 983, 1019, 1187, 1283, 1307, 1319, 1367, 1439, 1487, 1523, 1619, 1823, 1907 (OEIS:A005385). The next term has 6,539 digits. E 86293 86297 86311 86323 86341 86351 86353 86357 86369 86371 2131 2137 2141 2143 2153 2161 2179 2203 2207 2213 75539 75541 75553 75557 75571 75577 75583 75611 75617 75619 To find the first five prime numbers, we start at 2 (remember that 1 is not classed as a prime number). Looking for some fun printable math games? 56509 56519 56527 56531 56533 56543 56569 56591 56597 56599 40543 40559 40577 40583 40591 40597 40609 40627 40637 40639 Primes that remain prime when read upside down or mirrored in a seven-segment display. 3, 5, 11, 17, 31, 41, 59, 67, 83, 109, 127, 157, 179, 191, 211, 241, 277, 283, 331, 353, 367, 401, 431, 461, 509, 547, 563, 587, 599, 617, 709, 739, 773, 797, 859, 877, 919, 967, 991 (OEIS:A006450). 67057 67061 67073 67079 67103 67121 67129 67139 67141 67153 36697 36709 36713 36721 36739 36749 36761 36767 36779 36781 Two examples of twin prime numbers are: (3, 5); here 3, 5 are prime numbers and 4 is the composite number between them. 11257 11261 11273 11279 11287 11299 11311 11317 11321 11329 68491 68501 68507 68521 68531 68539 68543 68567 68581 68597 The number 0 is not a prime number. A prime 84673 84691 84697 84701 84713 84719 84731 84737 84751 84761 Input: N = 1032 Output: 2 Explanation: Digits of the number - {1, 0, 3, 2} 3 and 2 are prime number Approach: The idea is to iterate through all the digits of the number and check whether the digit is a prime or not. 2689 2693 2699 2707 2711 2713 2719 2729 2731 2741 13121 13127 13147 13151 13159 13163 13171 13177 13183 13187 This means that 1/4 or 1 in 4 numbers from 1-100 are prime. 104087 104089 104107 104113 104119 104123 104147 104149 104161 104173 Step 2: The number 2 is the first number in the list and it is a prime number too; cross out every 2nd number in the list after 2 by adding 2 or skip counting by 2s. is an Euler irregular pair. 56437 56443 56453 56467 56473 56477 56479 56489 56501 56503 6481 6491 6521 6529 6547 6551 6553 6563 6569 6571 3 The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". The next one to see are the prime numbers of 3 digits. These cookies track visitors across websites and collect information to provide customized ads. Daniel I. p 4. 39551 39563 39569 39581 39607 39619 39623 39631 39659 39667 24527 24533 24547 24551 24571 24593 24611 24623 24631 24659 [6], a = 2: 3, 5, 17, 257, 65537 (OEIS:A019434). 29173 29179 29191 29201 29207 29209 29221 29231 29243 29251 50077 50087 50093 50101 50111 50119 50123 50129 50131 50147 {\displaystyle p} 69193 69197 69203 69221 69233 69239 69247 69257 69259 69263 b 44111 44119 44123 44129 44131 44159 44171 44179 44189 44201 97829 97841 97843 97847 97849 97859 97861 97871 97879 97883 53791 53813 53819 53831 53849 53857 53861 53881 53887 53891 99551 99559 99563 99571 99577 99581 99607 99611 99623 99643 3 98953 98963 98981 98993 98999 99013 99017 99023 99041 99053 The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. Now onto 7. 37511 37517 37529 37537 37547 37549 37561 37567 37571 37573 It does not store any personal data. This is also the jersey number of Angeles Dodger pitcher Sandy Koufax and former Heisman Trophy winner, OJ Simpson. 49991 49993 49999 50021 50023 50033 50047 50051 50053 50069 9127 9133 9137 9151 9157 9161 9173 9181 9187 9199 24036583, 25964951, 30402457, 32582657, 37156667, 42643801, 43112609, 57885161 (OEIS:A000043), As of December2018[update], three more are known to be in the sequence, but it is not known whether they are the next: You can also use our prime number calculator to show all the primes within a given range. 103391 103393 103399 103409 103421 103423 103451 103457 103471 103483 One example of creating a list of primes is to create a list which has the first N prime numbers. ( 3517 3527 3529 3533 3539 3541 3547 3557 3559 3571 Spin a Wheel. p 10000 5527 5531 5557 5563 5569 5573 5581 5591 5623 5639 81509 81517 81527 81533 81547 81551 81553 81559 81563 81569 100267 100271 100279 100291 100297 100313 100333 100343 100357 100361 23747 23753 23761 23767 23773 23789 23801 23813 23819 23827 1 How many 5 digit prime numbers are there? 6067 6073 6079 6089 6091 6101 6113 6121 6131 6133 34033 34039 34057 34061 34123 34127 34129 34141 34147 34157 21961 21977 21991 21997 22003 22013 22027 22031 22037 22039 World's simplest math tool. 100483 100493 100501 100511 100517 100519 100523 100537 100547 100549 87557 87559 87583 87587 87589 87613 87623 87629 87631 87641 87643 87649 87671 87679 87683 87691 87697 87701 87719 87721 The resulting set of factors will be prime since, for example, when 2 is exhausted all multiples of 2 are also exhausted.