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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
48905459978109198 ~1991
48906983978139678 ~1991
489070313912562499 ~1993
48908351978167038 ~1991
48908399978167998 ~1991
48909071978181438 ~1991
48909299978185998 ~1991
48909491978189838 ~1991
48909719978194398 ~1991
48911279117387069710 ~1994
48913079978261598 ~1991
489131717826107379 ~1993
48913439978268798 ~1991
489139332934835999 ~1992
48914819978296398 ~1991
489148678804676079 ~1993
48914867626110297710
48915323978306478 ~1991
489165132934990799 ~1992
48916979978339598 ~1991
489174434891744319 ~1993
48917579978351598 ~1991
489182696848557679 ~1993
48918739166323712710 ~1994
489187998805383839 ~1993
Exponent Prime Factor Digits Year
489201413913611299 ~1993
48920141156544451310
48921083978421678 ~1991
48921539978430798 ~1991
48921923117412615310 ~1994
48922019978440398 ~1991
48922271978445438 ~1991
489232013913856099 ~1993
48923351978467038 ~1991
48924383978487678 ~1991
489244372935466239 ~1992
489260572935563439 ~1992
489263772935582639 ~1992
489264612935587679 ~1992
48927143978542878 ~1991
48927491978549838 ~1991
48927503508846031310 ~1995
48928079978561598 ~1991
48928501195714004110 ~1994
489292976850101599 ~1993
489304572935827439 ~1992
48930551978611038 ~1991
48931391978627838 ~1991
48932459978649198 ~1991
48934283978685678 ~1991
Exponent Prime Factor Digits Year
48934883978697678 ~1991
489362212936173279 ~1992
48936851978737038 ~1991
489370612936223679 ~1992
48939899978797998 ~1991
48939983978799678 ~1991
48941303978826078 ~1991
48941939978838798 ~1991
48942011978840238 ~1991
48942203978844078 ~1991
48943703978874078 ~1991
48943871978877438 ~1991
48944999978899998 ~1991
48945203978904078 ~1991
489466874894668719 ~1993
48947039978940798 ~1991
48947903978958078 ~1991
48947939978958798 ~1991
48948551978971038 ~1991
48948863978977278 ~1991
48950591979011838 ~1991
489508613916068899 ~1993
489524576853343999 ~1993
489538132937228799 ~1992
489541812937250879 ~1992
Exponent Prime Factor Digits Year
48954491979089838 ~1991
489556198812011439 ~1993
489556496853790879 ~1993
48956399979127998 ~1991
48956723979134478 ~1991
489574994895749919 ~1993
48958859979177198 ~1991
48958883979177678 ~1991
48959411979188238 ~1991
489598878812779679 ~1993
48961331979226638 ~1991
489621893916975139 ~1993
48962603979252078 ~1991
48962663979253278 ~1991
48962783979255678 ~1991
48963203979264078 ~1991
489640878813535679 ~1993
489642972937857839 ~1992
489658812937952879 ~1992
48966419979328398 ~1991
48967511979350238 ~1991
489681972938091839 ~1992
48969359979387198 ~1991
489714434897144319 ~1993
48972251979445038 ~1991
2289
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26-07-19