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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
31510079630201598 ~1990
31510091630201838 ~1990
315100912520807299
315100931890605599 ~1991
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
Exponent Prime Factor Digits Year
31519703630394078 ~1990
31519919630398398 ~1990
315201411891208479 ~1991
31520171630403438 ~1990
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
Exponent Prime Factor Digits Year
315273171891639039 ~1991
31528103630562078 ~1990
31528499630569998 ~1990
31528559630571198 ~1990
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
Exponent Prime Factor Digits Year
315384771892308639 ~1991
31538711630774238 ~1990
31539671630793438 ~1990
315402112523216899 ~1991
31540643630812878 ~1990
315407272523258179 ~1991
31540823630816478 ~1990
31540991630819838 ~1990
315414171892485039 ~1991
31541591630831838 ~1990
31542083630841678 ~1990
31542419630848398 ~1990
315428272523426179 ~1991
31542911630858238 ~1990
31543079630861598 ~1990
31543103630862078 ~1990
31543331630866638 ~1990
31543643630872878 ~1990
31543751630875038 ~1990
31543871630877438 ~1990
315461812523694499 ~1991
315468313154683119 ~1991
31547063630941278 ~1990
31547459630949198 ~1990
31547531630950638 ~1990
1765
GIMPS The Prime Pages FactorDb.com
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25-04-13