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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
377372693018981539 ~1992
377373895283234479 ~1992
37739459754789198 ~1990
377397893019183139 ~1992
377402332264413999 ~1991
37741271754825438 ~1990
37741331754826638 ~1990
37741559754831198 ~1990
37741811754836238 ~1990
37742879754857598 ~1990
37743479754869598 ~1990
37744103754882078 ~1990
377444233774442319 ~1992
37744649143429666310 ~1993
377453873019630979 ~1992
37746503754930078 ~1990
37746959754939198 ~1990
37747211754944238 ~1990
37747823754956478 ~1990
37748999754979998 ~1990
377490796794834239 ~1992
37749863754997278 ~1990
37751299996634293710 ~1995
377548612265291679 ~1991
377548876795879679 ~1992
Exponent Prime Factor Digits Year
37755803755116078 ~1990
37756319755126398 ~1990
37757771755155438 ~1990
377581691261122844711 ~1996
37758431755168638 ~1990
377588812265532879 ~1991
37759343755186878 ~1990
377604412265626479 ~1991
37760483755209678 ~1990
37760903755218078 ~1990
37761011755220238 ~1990
377621213020969699 ~1992
377642812265856879 ~1991
37764299755285998 ~1990
377644273776442719 ~1992
37767923755358478 ~1990
37768163755363278 ~1990
37768583755371678 ~1990
37768631755372638 ~1990
37769531755390638 ~1990
37771091755421838 ~1990
37774871755497438 ~1990
37775099755501998 ~1990
37775219755504398 ~1990
37776191755523838 ~1990
Exponent Prime Factor Digits Year
37778651755573038 ~1990
377787732266726399 ~1991
377797993777979919 ~1992
377800132266800799 ~1991
37780031755600638 ~1990
377801213022409699 ~1992
37780643755612878 ~1990
37782323755646478 ~1990
377830132266980799 ~1991
37783439755668798 ~1990
37784399755687998 ~1990
37785179755703598 ~1990
377854393778543919 ~1992
37786211755724238 ~1990
377863212267179279 ~1991
37786439755728798 ~1990
37787423755748478 ~1990
37788071755761438 ~1990
37788119755762398 ~1990
37788983755779678 ~1990
377890513778905119 ~1992
377890612267343679 ~1991
37789091755781838 ~1990
37789343755786878 ~1990
37790723755814478 ~1990
Exponent Prime Factor Digits Year
377910293023282339 ~1992
377911135290755839 ~1992
37791563755831278 ~1990
37792679755853598 ~1990
377928172267569039 ~1991
37794041143617355910 ~1993
37794539755890798 ~1990
377950319826708079 ~1993
37795991755919838 ~1990
37796123755922478 ~1990
37796767241899308910 ~1994
377975532267853199 ~1991
37800599756011998 ~1990
37800839756016798 ~1990
37801691756033838 ~1990
37802111756042238 ~1990
378023213024185699 ~1992
37803851756077038 ~1990
37804031756080638 ~1990
37805591756111838 ~1990
37806539756130798 ~1990
37807103756142078 ~1990
37807499756149998 ~1990
378099173024793379 ~1992
378107572268645439 ~1991
1886
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25-05-04