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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
40446671808933438 ~1990
404471172426827039 ~1992
404471716471547379 ~1993
40450043809000878 ~1990
40451431234618299910 ~1994
40451903809038078 ~1990
40453499809069998 ~1990
40453571809071438 ~1990
404541293236330339 ~1992
40455419809108398 ~1990
40455697121367091110 ~1993
40455881323647048110 ~1994
40457159809143198 ~1990
40457591809151838 ~1990
40457831809156638 ~1990
404579412427476479 ~1992
40458083809161678 ~1990
40458179809163598 ~1990
40459571809191438 ~1990
40459823809196478 ~1990
40460039809200798 ~1990
40460111323680888110 ~1994
40461671809233438 ~1990
40461779809235598 ~1990
40462379809247598 ~1990
Exponent Prime Factor Digits Year
40462391809247838 ~1990
40462463809249278 ~1990
40463303809266078 ~1990
40464023809280478 ~1990
404644013237152099 ~1992
404652732427916399 ~1992
40466879809337598 ~1990
40467863809357278 ~1990
404694172428165039 ~1992
40469459809389198 ~1990
404699213237593699 ~1992
40470299809405998 ~1990
40470623809412478 ~1990
40471583809431678 ~1990
404717573237740579 ~1992
40473899809477998 ~1990
404748293237986339 ~1992
40476011809520238 ~1990
404772532428635199 ~1992
404774332428645999 ~1992
40478831809576638 ~1990
4047928913722478971112 ~1998
40480091809601838 ~1990
40482779809655598 ~1990
40484039809680798 ~1990
Exponent Prime Factor Digits Year
404846572429079439 ~1992
40484831809696638 ~1990
40485383809707678 ~1990
404861393238891139 ~1992
40486643809732878 ~1990
40487159809743198 ~1990
404873397287721039 ~1993
40488011809760238 ~1990
404882772429296639 ~1992
40488491809769838 ~1990
40489051161956204110 ~1994
40489139809782798 ~1990
40489679809793598 ~1990
40491179809823598 ~1990
40492643809852878 ~1990
404931293239450339 ~1992
40494563809891278 ~1990
404951416479222579 ~1993
404959139719019139 ~1993
40497251809945038 ~1990
40497599809951998 ~1990
40498019809960398 ~1990
40498163809963278 ~1990
40498739809974798 ~1990
40499639809992798 ~1990
Exponent Prime Factor Digits Year
404997412429984479 ~1992
40499843809996878 ~1990
40500359810007198 ~1990
40500703137702390310 ~1993
40500881291606343310 ~1994
40502519810050398 ~1990
405033173240265379 ~1992
405033473240267779 ~1992
405047772430286639 ~1992
40505099810101998 ~1990
405059114050591119 ~1992
40506143810122878 ~1990
40506239810124798 ~1990
40506419810128398 ~1990
40507331810146638 ~1990
40508243810164878 ~1990
40509779810195598 ~1990
405104873240838979 ~1992
40510919810218398 ~1990
405114532430687199 ~1992
40512239810244798 ~1990
405124193240993539 ~1992
40513163810263278 ~1990
405156772430940639 ~1992
40516211810324238 ~1990
1913
GIMPS The Prime Pages FactorDb.com
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25-04-13