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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
435772212614633279 ~1992
43577591871551838 ~1991
43579799871595998 ~1991
43580219871604398 ~1991
435813132614878799 ~1992
43582859871657198 ~1991
43583363871667278 ~1991
435838493486707939 ~1992
43584743871694878 ~1991
43585631871712638 ~1991
43588823871776478 ~1991
435906293487250339 ~1992
43591459183084127910 ~1994
43591511871830238 ~1991
435924436974790899 ~1993
43592903871858078 ~1991
43593551871871038 ~1991
435948794359487919 ~1992
43595411871908238 ~1991
43596131871922638 ~1991
43596253104631007310 ~1993
43597091871941838 ~1991
435972012615832079 ~1992
43597331871946638 ~1991
43597583871951678 ~1991
Exponent Prime Factor Digits Year
435991732615950399 ~1992
43599911871998238 ~1991
43599971871999438 ~1991
43600147148240499910 ~1994
43600619872012398 ~1991
436011473488091779 ~1992
43601231872024638 ~1991
43601279872025598 ~1991
43601879872037598 ~1991
436022412616134479 ~1992
43602371872047438 ~1991
43602551872051038 ~1991
43602683872053678 ~1991
43603523872070478 ~1991
43604003872080078 ~1991
436062314360623119 ~1992
43606679872133598 ~1991
43607051872141038 ~1991
43607339872146798 ~1991
43608143872162878 ~1991
43608359872167198 ~1991
43608683872173678 ~1991
43610123872202478 ~1991
43610503174442012110 ~1994
43610639872212798 ~1991
Exponent Prime Factor Digits Year
436119077850143279 ~1993
43612031872240638 ~1991
436120812616724879 ~1992
436125372616752239 ~1992
43612631872252638 ~1991
43616939872338798 ~1991
43618331872366638 ~1991
436186913489495299 ~1992
43618979872379598 ~1991
43619519872390398 ~1991
436196476979143539 ~1993
436226714362267119 ~1992
43623719872474398 ~1991
436251172617507039 ~1992
43625891872517838 ~1991
43625999872519998 ~1991
436267212617603279 ~1992
43626839872536798 ~1991
43627271872545438 ~1991
43627931872558638 ~1991
43628219872564398 ~1991
43629011872580238 ~1991
436300012617800079 ~1992
436308413490467299 ~1992
43631699872633998 ~1991
Exponent Prime Factor Digits Year
43632119872642398 ~1991
43632983872659678 ~1991
43634039872680798 ~1991
436358332618149999 ~1992
43636403872728078 ~1991
43636511139636835310 ~1994
436369812618218879 ~1992
436373594363735919 ~1992
436382714363827119 ~1992
43638863872777278 ~1991
43640951872819038 ~1991
43641263872825278 ~1991
436414012618484079 ~1992
43642223872844478 ~1991
436423013491384099 ~1992
43642331872846638 ~1991
43642717174570868110 ~1994
43643219872864398 ~1991
43643711872874238 ~1991
436447376110263199 ~1993
43644851872897038 ~1991
43645379872907598 ~1991
43645523872910478 ~1991
436459932618759599 ~1992
436475776983612339 ~1993
1968
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25-05-04