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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
23623499472469998 ~1989
23623571472471438 ~1989
236239331417435999 ~1990
23624411472488238 ~1989
23624459472489198 ~1989
236248131417488799 ~1990
236249714252494799 ~1991
236259611417557679 ~1990
23626763472535278 ~1989
23627063472541278 ~1989
236282331417693999 ~1990
23628491472569838 ~1989
23629019472580398 ~1989
23629139472582798 ~1989
236295611417773679 ~1990
23629799472595998 ~1989
236299371890394979 ~1990
23629979472599598 ~1989
23630279472605598 ~1989
23630543472610878 ~1989
23630963472619278 ~1989
23631851472637038 ~1989
236332971417997839 ~1990
236333871890670979 ~1990
23633399472667998 ~1989
Exponent Prime Factor Digits Year
236335931418015599 ~1990
23634203472684078 ~1989
23634251472685038 ~1989
23634503472690078 ~1989
23634659472693198 ~1989
236347733308868239 ~1991
236348472363484719 ~1990
236349531418097199 ~1990
236354771418128639 ~1990
236359033781744499 ~1991
23636183472723678 ~1989
236362331418173999 ~1990
23636423472728478 ~1989
23637359472747198 ~1989
236375531418253199 ~1990
23637563472751278 ~1989
23637863472757278 ~1989
23637899472757998 ~1989
23637983472759678 ~1989
23638091472761838 ~1989
23638271472765438 ~1989
23638931472778638 ~1989
23639111472782238 ~1989
23640059472801198 ~1989
23640203472804078 ~1989
Exponent Prime Factor Digits Year
23640359472807198 ~1989
23640371472807438 ~1989
23640839472816798 ~1989
236408474255352479 ~1991
23641223472824478 ~1989
236413933782622899 ~1991
23641511472830238 ~1989
23642603472852078 ~1989
23643143472862878 ~1989
23644223472884478 ~1989
236451971418711839 ~1990
236453274256158879 ~1991
236457371418744239 ~1990
23645819472916398 ~1989
236461872364618719 ~1990
23646503472930078 ~1989
23646743472934878 ~1989
236467611418805679 ~1990
23648063472961278 ~1989
236484531418907199 ~1990
23648783472975678 ~1989
23649443472988878 ~1989
23649959472999198 ~1989
23651723473034478 ~1989
23652683473053678 ~1989
Exponent Prime Factor Digits Year
23652743473054878 ~1989
23652851473057038 ~1989
236529971419179839 ~1990
23653391473067838 ~1989
23653523473070478 ~1989
236536032365360319 ~1990
23653991473079838 ~1989
23654003473080078 ~1989
23654231473084638 ~1989
23654843473096878 ~1989
236552571892420579 ~1990
23656019473120398 ~1989
23657279473145598 ~1989
236573119462924419 ~1992
23657723473154478 ~1989
23658539473170798 ~1989
23658623473172478 ~1989
23658779473175598 ~1989
236589131419534799 ~1990
236591931419551599 ~1990
23659271473185438 ~1989
23659991473199838 ~1989
236603333312446639 ~1991
23660459473209198 ~1989
23660699473213998 ~1989
1586
GIMPS The Prime Pages FactorDb.com
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25-10-20