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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
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
489658812937952879 ~1992
48966419979328398 ~1991
489714434897144319 ~1993
48972251979445038 ~1991
48972659979453198 ~1991
48973511979470238 ~1991
489735593917884739 ~1993
489736572938419439 ~1992
Exponent Prime Factor Digits Year
489742012938452079 ~1992
489758212938549279 ~1992
48976703979534078 ~1991
48977471979549438 ~1991
48978131979562638 ~1991
48978911274281901710 ~1995
48979583979591678 ~1991
489802572938815439 ~1992
489815213918521699 ~1993
48983003979660078 ~1991
48983411979668238 ~1991
489835673918685379 ~1993
48983699979673998 ~1991
48986219979724398 ~1991
48987359979747198 ~1991
489886572939319439 ~1992
489896273919170179 ~1993
48990983979819678 ~1991
48991619979832398 ~1991
489922132939532799 ~1992
48992543979850878 ~1991
48992819979856398 ~1991
489945677839130739 ~1993
48995747440961723110 ~1995
489989332939935999 ~1992
Exponent Prime Factor Digits Year
49001011784016176110 ~1996
490014896860208479 ~1993
49002071980041438 ~1991
49002731980054638 ~1991
490034212940205279 ~1992
49004723980094478 ~1991
49006043980120878 ~1991
490076772940460639 ~1992
490079693920637539 ~1993
49008731980174638 ~1991
49009211980184238 ~1991
49009703980194078 ~1991
49009799980195998 ~1991
490099274900992719 ~1993
49010543980210878 ~1991
490125972940755839 ~1992
49013423980268478 ~1991
49014671980293438 ~1991
49014787166650275910 ~1994
49016183980323678 ~1991
49016459980329198 ~1991
49016963980339278 ~1991
490179612941077679 ~1992
49018019980360398 ~1991
49018643980372878 ~1991
Exponent Prime Factor Digits Year
49019111980382238 ~1991
49020311980406238 ~1991
49020479980409598 ~1991
49023479980469598 ~1991
490235172941411039 ~1992
49024823980496478 ~1991
49025279980505598 ~1991
49025771480452555910 ~1995
49026899980537998 ~1991
49028123980562478 ~1991
49028519980570398 ~1991
49030139980602798 ~1991
49032443980648878 ~1991
490325474903254719 ~1993
49033511980670238 ~1991
490335113922680899
49033531549175547310 ~1995
49035659980713198 ~1991
49035719980714398 ~1991
49036271980725438 ~1991
49037363980747278 ~1991
490374413922995299 ~1993
49039031980780638 ~1991
49041959980839198 ~1991
49044419980888398 ~1991
2072
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25-07-08