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Small Mersenne Prime Factors
Prime numbers of the form Mp= 2p − 1 are called Mersenne primes. For Mp to be prime, p must also be prime.
Any factor q of a Mersenne number 2p − 1 must be of the form 2kp + 1, where integer k ≥ 0. Furthermore, q must be 1 or 7 mod 8.
Exponent Prime Factor Digits Year
31505459630109198 ~1990
315055331890331999 ~1991
31505783630115678 ~1990
31505843630116878 ~1990
31506071630121438 ~1990
31506119630122398 ~1990
315063531890381199 ~1991
31506599630131998 ~1990
31506719630134398 ~1990
31506743630134878 ~1990
31507211630144238 ~1990
31507271630145438 ~1990
31507523630150478 ~1990
31507571630151438 ~1990
31507991630159838 ~1990
31508159630163198 ~1990
31508231630164638 ~1990
315086212520689699 ~1991
31508843630176878 ~1990
31509251630185038 ~1990
31509371630187438 ~1990
31510079630201598 ~1990
31510091630201838 ~1990
315100912520807299
315100931890605599 ~1991
Exponent Prime Factor Digits Year
315103993151039919 ~1991
31511003630220078 ~1990
31511423630228478 ~1990
31512059630241198 ~1990
31512359630247198 ~1990
31512731630254638 ~1990
31512779630255598 ~1990
315142912521143299 ~1991
31514579630291598 ~1990
31514771630295438 ~1990
31514783630295678 ~1990
31514981119756927910 ~1993
31515023630300478 ~1990
31515563630311278 ~1990
31515719630314398 ~1990
315159892521279139 ~1991
31516811630336238 ~1990
31517231630344638 ~1990
31518023630360478 ~1990
315186531891119199 ~1991
31519583630391678 ~1990
31519703630394078 ~1990
31519919630398398 ~1990
315201411891208479 ~1991
31520171630403438 ~1990
Exponent Prime Factor Digits Year
31520519630410398 ~1990
31520579630411598 ~1990
31521131630422638 ~1990
31521239630424798 ~1990
31521359630427198 ~1990
31521851630437038 ~1990
31521863630437278 ~1990
31522019630440398 ~1990
31522103630442078 ~1990
31523279630465598 ~1990
315232931891397599 ~1991
315236475674256479 ~1992
315240112521920899 ~1991
315249897565997379 ~1992
315251771891510639 ~1991
31525919630518398 ~1990
31526227107189171910 ~1993
31526723630534478 ~1990
31526879630537598 ~1990
31526903630538078 ~1990
31527131630542638 ~1990
315273171891639039 ~1991
31528103630562078 ~1990
31528499630569998 ~1990
31528559630571198 ~1990
Exponent Prime Factor Digits Year
31528811630576238 ~1990
31529243630584878 ~1990
31529651630593038 ~1990
315301731891810399 ~1991
31530683630613678 ~1990
31530959630619198 ~1990
31531271630625438 ~1990
31531679630633598 ~1990
31532003630640078 ~1990
31532873176584088910 ~1993
31532939630658798 ~1990
31533119630662398 ~1990
31533611630672238 ~1990
31534631630692638 ~1990
31535123630702478 ~1990
31535327151369569710 ~1993
31535831630716638 ~1990
31536539630730798 ~1990
31536959630739198 ~1990
31537043630740878 ~1990
31538063630761278 ~1990
315384771892308639 ~1991
31538711630774238 ~1990
31539671630793438 ~1990
315402112523216899 ~1991
1804
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25-08-20