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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
12479783249595678 ~1986
12479893748793598 ~1988
12481439249628798 ~1986
12481823249636478 ~1986
12481957748917438 ~1988
12482231249644638 ~1986
12482279249645598 ~1986
12482293748937598 ~1988
12482831249656638 ~1986
12482891249657838 ~1986
12483013748980798 ~1988
124838411997414579 ~1989
12483923249678478 ~1986
12483983249679678 ~1986
12484091249681838 ~1986
12484259249685198 ~1986
12484517749071038 ~1988
124853711248537119 ~1988
124853714994148419
12486191249723838 ~1986
12486239998899138 ~1988
124867511248675119 ~1988
124869112247643999 ~1989
12487031249740638 ~1986
12487201109887368910 ~1990
Exponent Prime Factor Digits Year
124873577991908499 ~1990
12487619249752398 ~1986
12488039249760798 ~1986
12488051249761038 ~1986
12488087999046978 ~1988
12488159249763198 ~1986
12488279249765598 ~1986
12488711249774238 ~1986
12488831249776638 ~1986
12489083249781678 ~1986
12489241749354478 ~1988
12489359249787198 ~1986
12489359999148738
12489443249788878 ~1986
12489473749368398 ~1988
12489527999162178 ~1988
124897511248975119 ~1988
124897511998360179
12489863249797278 ~1986
12490031249800638 ~1986
12490273177361876710 ~1991
12490433749425998 ~1988
124904471249044719 ~1988
12490463249809278 ~1986
12490559249811198 ~1986
Exponent Prime Factor Digits Year
12490823249816478 ~1986
124909692997832579 ~1989
124913332997919939 ~1989
12491351249827038 ~1986
12491581749494878 ~1988
12491819249836398 ~1986
12492131249842638 ~1986
12492257999380578 ~1988
124923431249234319 ~1988
12492743249854878 ~1986
12493049999443938 ~1988
12493259249865198 ~1986
12493259999460738
12493499999479938 ~1988
124937118995471939 ~1990
12494411249888238 ~1986
12494857749691438 ~1988
124948575997531379
12494893749693598 ~1988
12495779249915598 ~1986
12495971249919438 ~1986
12496529999722338 ~1988
12496867349912276110 ~1992
12496871249937438 ~1986
12497339249946798 ~1986
Exponent Prime Factor Digits Year
12497417999793378 ~1988
12497783249955678 ~1986
12497951249959038 ~1986
12498191249963838 ~1986
12498443249968878 ~1986
12498793749927598 ~1988
12498877749932638 ~1988
12499057749943438 ~1988
12499079249981598 ~1986
12499211249984238 ~1986
12499271249985438 ~1986
12499439249988798 ~1986
12499523249990478 ~1986
12499631249992638 ~1986
12500227150002724110 ~1991
12501623250032478 ~1986
12501899250037998 ~1986
12502079250041598 ~1986
12502153750129198 ~1988
12502643250052878 ~1986
12502943250058878 ~1986
12503723250074478 ~1986
12503759250075198 ~1986
125042636252131519 ~1990
12504923250098478 ~1986
1134
GIMPS The Prime Pages FactorDb.com
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25-05-04