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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
239862471918899779 ~1990
239862891918903139 ~1990
239863674317546079 ~1991
23987339479746798 ~1989
239875033838000499 ~1991
23987543479750878 ~1989
23987759479755198 ~1989
23987891479757838 ~1989
23988323479766478 ~1989
23988491479769838 ~1989
239888271919106179 ~1990
239889116237116879 ~1991
239890811439344879 ~1990
23989631479792638 ~1989
23989859479797198 ~1989
23990159479803198 ~1989
23990231479804638 ~1989
23990591479811838 ~1989
239907773358708799 ~1991
23990819479816398 ~1989
23991263479825278 ~1989
23991491479829838 ~1989
23991959479839198 ~1989
23992343479846878 ~1989
239923611919388899 ~1990
Exponent Prime Factor Digits Year
23992679479853598 ~1989
23993003479860078 ~1989
23993363479867278 ~1989
239936871919494979 ~1990
239941011919528099 ~1990
23994791479895838 ~1989
23995019479900398 ~1989
23995703479914078 ~1989
23996039479920798 ~1989
239961011439766079 ~1990
23996593172775469710 ~1992
23996723479934478 ~1989
23996939479938798 ~1989
23997359479947198 ~1989
23997839479956798 ~1989
23998151479963038 ~1989
23998259479965198 ~1989
239985531439913199 ~1990
23998739479974798 ~1989
23999219479984398 ~1989
23999243479984878 ~1989
239995874319925679 ~1991
24000083480001678 ~1989
24000131480002638 ~1989
240002811440016879 ~1990
Exponent Prime Factor Digits Year
24001403480028078 ~1989
240016392400163919 ~1990
24001751480035038 ~1989
24001823480036478 ~1989
240025514320459199 ~1991
24003971480079438 ~1989
240042711920341699 ~1990
240045011440270079 ~1990
24004511480090238 ~1989
24005183480103678 ~1989
24005699480113998 ~1989
240060111920480899 ~1990
24006179480123598 ~1989
240064916241687679 ~1991
24007163480143278 ~1989
240076011920608099 ~1990
24007847120039235110 ~1992
24008051480161038 ~1989
240083238162829839 ~1992
24008483480169678 ~1989
24008531480170638 ~1989
24009599480191998 ~1989
24009959480199198 ~1989
24009983480199678 ~1989
24010223480204478 ~1989
Exponent Prime Factor Digits Year
24010439480208798 ~1989
240111474322006479 ~1991
24011303480226078 ~1989
24011831480236638 ~1989
240119592401195919 ~1990
24012179480243598 ~1989
24012239480244798 ~1989
24012311480246238 ~1989
24012503480250078 ~1989
24012539480250798 ~1989
24013043480260878 ~1989
240134271921074179 ~1990
24013439480268798 ~1989
24013763480275278 ~1989
24014051480281038 ~1989
24014279480285598 ~1989
24014519480290398 ~1989
240152233842435699 ~1991
24015311480306238 ~1989
24015851480317038 ~1989
24015899480317998 ~1989
24015983480319678 ~1989
24016253264178783110 ~1993
24016463480329278 ~1989
240171672401716719 ~1990
1493
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24-10-27