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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
241025211446151279 ~1990
24102959482059198 ~1989
24103043482060878 ~1989
24103511482070238 ~1989
24104051482081038 ~1989
24104183482083678 ~1989
24104303482086078 ~1989
241047373856757939 ~1991
241048795785170979 ~1991
24105083482101678 ~1989
24105239482104798 ~1989
24105479482109598 ~1989
24105551482111038 ~1989
241068971446413839 ~1990
241078032410780319 ~1990
24107879482157598 ~1989
24107939482158798 ~1989
241079811928638499 ~1990
24108239482164798 ~1989
24108803482176078 ~1989
241088093375233279 ~1991
24109139482182798 ~1989
241094395786265379 ~1991
241097331446583999 ~1990
24110171482203438 ~1989
Exponent Prime Factor Digits Year
241101971446611839 ~1990
24110903482218078 ~1989
24111011482220238 ~1989
241111874340013679 ~1991
24111299482225998 ~1989
241114019162332399 ~1992
241117211446703279 ~1990
24111911482238238 ~1989
24112139482242798 ~1989
24112331482246638 ~1989
24113003482260078 ~1989
24113231482264638 ~1989
24113423482268478 ~1989
24113711482274238 ~1989
24114983482299678 ~1989
241151931446911599 ~1990
24115439482308798 ~1989
241155771446934639 ~1990
24116051482321038 ~1989
241161074340899279 ~1991
24116723482334478 ~1989
24117311482346238 ~1989
24117323482346478 ~1989
24117419482348398 ~1989
241180671929445379 ~1990
Exponent Prime Factor Digits Year
241181811929454499 ~1990
241182291929458339 ~1990
24118499482369998 ~1989
24119171332844559910 ~1993
24119279482385598 ~1989
241196991929575939 ~1990
241197432411974319 ~1990
241202097236062719 ~1992
24120539482410798 ~1989
24120599482411998 ~1989
24120731482414638 ~1989
24121451482429038 ~1989
24121703482434078 ~1989
241220832412208319 ~1990
24122363482447278 ~1989
24122459482449198 ~1989
241224671201298856711 ~1995
241225731447354399 ~1990
24122771482455438 ~1989
241228731447372399 ~1990
24123083482461678 ~1989
241238112412381119 ~1990
24123923482478478 ~1989
24124211482484238 ~1989
241250691930005539 ~1990
Exponent Prime Factor Digits Year
24125243482504878 ~1989
24125291482505838 ~1989
24125603482512078 ~1989
24125663482513278 ~1989
241258211447549279 ~1990
24126023482520478 ~1989
24126803482536078 ~1989
24127091482541838 ~1989
24127619482552398 ~1989
24127679482553598 ~1989
24127871482557438 ~1989
24128003482560078 ~1989
24128543482570878 ~1989
241289876273536639 ~1991
24128999482579998 ~1989
24129359482587198 ~1989
24129503482590078 ~1989
24130079482601598 ~1989
241302771930422179 ~1990
24130499482609998 ~1989
24130511482610238 ~1989
24130643482612878 ~1989
241310771447864639 ~1990
241311237721959379 ~1992
241315791930526339 ~1990
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25-04-13