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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
40462463809249278 ~1990
40463303809266078 ~1990
40463399809267998 ~1990
40464023809280478 ~1990
40464059809281198 ~1990
404644013237152099 ~1992
40464491809289838 ~1990
404652732427916399 ~1992
40465283809305678 ~1990
40465583809311678 ~1990
40466771809335438 ~1990
40466843809336878 ~1990
40466879809337598 ~1990
40467551809351038 ~1990
40467863809357278 ~1990
404694172428165039 ~1992
40469459809389198 ~1990
40469879809397598 ~1990
404699213237593699 ~1992
40470299809405998 ~1990
40470623809412478 ~1990
40471199809423998 ~1990
40471583809431678 ~1990
40471751809435038 ~1990
404717573237740579 ~1992
Exponent Prime Factor Digits Year
40473899809477998 ~1990
404748293237986339 ~1992
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
Exponent Prime Factor Digits Year
404861393238891139 ~1992
40486619809732398 ~1990
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
Exponent Prime Factor Digits Year
40494563809891278 ~1990
40495043809900878 ~1990
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
2162
GIMPS The Prime Pages FactorDb.com
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26-08-02