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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
43638863872777278 ~1991
436395532618373199 ~1992
43640951872819038 ~1991
43641263872825278 ~1991
436414012618484079 ~1992
43642223872844478 ~1991
436423013491384099 ~1992
43642331872846638 ~1991
43642717174570868110 ~1994
43643219872864398 ~1991
43643711872874238 ~1991
436437732618626399 ~1992
43644203872884078 ~1991
436447376110263199 ~1993
43644851872897038 ~1991
43645379872907598 ~1991
43645523872910478 ~1991
436459932618759599 ~1992
436475776983612339 ~1993
43648019872960398 ~1991
436481532618889199 ~1992
43648499872969998 ~1991
436486012618916079 ~1992
436490772618944639 ~1992
436497413491979299 ~1992
Exponent Prime Factor Digits Year
43650083873001678 ~1991
43650179873003598 ~1991
43650839873016798 ~1991
43651763873035278 ~1991
436537514365375119 ~1992
43653803873076078 ~1991
43654729130964187110 ~1994
43655231873104638 ~1991
436557132619342799 ~1992
436559932619359599 ~1992
43657931873158638 ~1991
43658063873161278 ~1991
43658123873162478 ~1991
43658651873173038 ~1991
43658843873176878 ~1991
436588932619533599 ~1992
43659443873188878 ~1991
436594791082755079311 ~1996
436604474366044719 ~1992
43660763873215278 ~1991
436617677859118079 ~1993
43663751873275038 ~1991
43663979873279598 ~1991
43664501314384407310 ~1994
43666439873328798 ~1991
Exponent Prime Factor Digits Year
43666691873333838 ~1991
43667423873348478 ~1991
43667531873350638 ~1991
43668419873368398 ~1991
436694536987112499 ~1993
43669943873398878 ~1991
436699732620198399 ~1992
436702332620213999 ~1992
436702932620217599 ~1992
436704612620227679 ~1992
43670519873410398 ~1991
43671119873422398 ~1991
43671431873428638 ~1991
43672091873441838 ~1991
43672571873451438 ~1991
43672631873452638 ~1991
43673243873464878 ~1991
43674563873491278 ~1991
43675199873503998 ~1991
43676879873537598 ~1991
43677923873558478 ~1991
43678331873566638 ~1991
43678331183448990310
43679159873583198 ~1991
43680419873608398 ~1991
Exponent Prime Factor Digits Year
43681691873633838 ~1991
43681751873635038 ~1991
436819212620915279 ~1992
43683239873664798 ~1991
436835813494686499 ~1992
43683719873674398 ~1991
43684379873687598 ~1991
43684763183476004710 ~1994
436863293494906339 ~1992
43686743873734878 ~1991
436874513494996099 ~1992
43690043873800878 ~1991
43690511873810238 ~1991
43692791873855838 ~1991
43692851873857038 ~1991
43693157131079471110 ~1994
43694527148561391910 ~1994
43695143873902878 ~1991
43695863873917278 ~1991
43697099873941998 ~1991
43697651873953038 ~1991
43698503873970078 ~1991
43698971873979438 ~1991
43702259874045198 ~1991
43702619874052398 ~1991
2151
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26-03-29