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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
40476011809520238 ~1990
40476119809522398 ~1990
404772532428635199 ~1992
404774332428645999 ~1992
40477439809548798 ~1990
40478363809567278 ~1990
40478423809568478 ~1990
40478831809576638 ~1990
4047928913722478971112 ~1998
40480091809601838 ~1990
40480211809604238 ~1990
40480403809608078 ~1990
40480439809608798 ~1990
40480463809609278 ~1990
40481099809621998 ~1990
40482779809655598 ~1990
40483259809665198 ~1990
40484039809680798 ~1990
40484291809685838 ~1990
40484579809691598 ~1990
404846572429079439 ~1992
40484831809696638 ~1990
40485383809707678 ~1990
404861393238891139 ~1992
40486619809732398 ~1990
Exponent Prime Factor Digits Year
40486643809732878 ~1990
40486703809734078 ~1990
40487159809743198 ~1990
40487171809743438 ~1990
40487339809746798 ~1990
404873397287721039
40488011809760238 ~1990
404882772429296639 ~1992
40488491809769838 ~1990
40489051161956204110 ~1994
40489139809782798 ~1990
40489679809793598 ~1990
40491179809823598 ~1990
40491491809829838 ~1990
40491623809832478 ~1990
40491683809833678 ~1990
40492643809852878 ~1990
40492883809857678 ~1990
404931293239450339 ~1992
40493339809866798 ~1990
40493699809873998 ~1990
40494131809882638 ~1990
40494479809889598 ~1990
40494563809891278 ~1990
40495043809900878 ~1990
Exponent Prime Factor Digits Year
404951416479222579 ~1993
40495391809907838 ~1990
40495523809910478 ~1990
404959139719019139 ~1993
40496471809929438 ~1990
40496831809936638 ~1990
40497251809945038 ~1990
40497419809948398 ~1990
40497599809951998 ~1990
40498019809960398 ~1990
40498163809963278 ~1990
40498583809971678 ~1990
40498739809974798 ~1990
40499639809992798 ~1990
404997412429984479 ~1992
40499843809996878 ~1990
40500359810007198 ~1990
40500703137702390310 ~1993
40500881291606343310 ~1994
40501679810033598 ~1990
40502519810050398 ~1990
405033173240265379 ~1992
405033473240267779 ~1992
40503371810067438 ~1990
40503731810074638 ~1990
Exponent Prime Factor Digits Year
40503779810075598 ~1990
40503803810076078 ~1990
405047772430286639 ~1992
40505099810101998 ~1990
40505243810104878 ~1990
40505651810113038 ~1990
405059114050591119 ~1992
40506023810120478 ~1990
40506143810122878 ~1990
40506239810124798 ~1990
40506419810128398 ~1990
40507331810146638 ~1990
40508243810164878 ~1990
40508771810175438 ~1990
40509299810185998 ~1990
40509779810195598 ~1990
40510163810203278 ~1990
405104873240838979 ~1992
40510919810218398 ~1990
40511351810227038 ~1990
405114532430687199 ~1992
40512203810244078 ~1990
40512239810244798 ~1990
405124193240993539 ~1992
40513163810263278 ~1990
2158
GIMPS The Prime Pages FactorDb.com
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26-07-19