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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
156714837835741519
15671699313433998 ~1987
15671797137911813710 ~1991
15672203313444078 ~1987
156729071567290719 ~1989
15672983313459678 ~1987
15673571313471438 ~1987
15673799313475998 ~1987
15673811313476238 ~1987
15673961940437678 ~1988
15673979313479598 ~1987
15674081940444878 ~1988
156741791567417919 ~1989
15674531313490638 ~1987
15674759313495198 ~1987
15674783313495678 ~1987
15674831313496638 ~1987
15674837940490238 ~1988
156748871567488719 ~1989
15675251313505038 ~1987
15675433940525998 ~1988
15675563313511278 ~1987
156760271567602719 ~1989
15676103313522078 ~1987
156762171254097379 ~1989
Exponent Prime Factor Digits Year
15676337940580238 ~1988
15676679313533598 ~1987
15676751313535038 ~1987
15676931313538638 ~1987
15677279313545598 ~1987
156773091254184739 ~1989
156774911567749119 ~1989
15677591313551838 ~1987
15677999313559998 ~1987
15678263313565278 ~1987
15678779313575598 ~1987
15678959313579198 ~1987
156794293449474399 ~1990
15679439313588798 ~1987
15679739313594798 ~1987
15680051313601038 ~1987
15680153940809198 ~1988
15680713940842798 ~1988
15681119313622398 ~1987
15681371313627438 ~1987
15681623313632478 ~1987
15682453940947198 ~1988
156826373763832899 ~1990
15682679313653598 ~1987
15682739313654798 ~1987
Exponent Prime Factor Digits Year
15682871313657438 ~1987
156831471254651779 ~1989
15683903313678078 ~1987
156842393764217379 ~1990
156844511568445119 ~1989
156846312823233599 ~1990
156852171254817379 ~1989
15685253941115198 ~1988
15685277941116638 ~1988
15685283313705678 ~1987
15685343313706878 ~1987
156860591568605919 ~1989
15686351313727038 ~1987
15686399313727998 ~1987
15687491313749838 ~1987
156875894706276719 ~1990
15687761941265678 ~1988
15687803313756078 ~1987
15688031313760638 ~1987
15688643313772878 ~1987
15689111313782238 ~1987
156892511568925119 ~1989
15689701941382078 ~1988
15689819313796398 ~1987
15689833941389998 ~1988
Exponent Prime Factor Digits Year
15689879313797598 ~1987
156900493765611779 ~1990
15690253941415198 ~1988
15690281941416878 ~1988
15690791313815838 ~1987
15690971313819438 ~1987
15691211313824238 ~1987
15691877941512638 ~1988
15692401941544078 ~1988
156924014707720319
15693299313865998 ~1987
15693311313866238 ~1987
156933311569333119 ~1989
156934011255472099 ~1989
15693479313869598 ~1987
15693539313870798 ~1987
156937071255496579 ~1989
15694499313889998 ~1987
156947991255583939 ~1989
15694823313896478 ~1987
15695171313903438 ~1987
156951911569519119 ~1989
156956231569562319 ~1989
15695831313916638 ~1987
156958371255666979 ~1989
1272
GIMPS The Prime Pages FactorDb.com
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25-06-08