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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
155709912491358579 ~1989
15571019311420398 ~1987
15571121934267278 ~1988
15571151311423038 ~1987
15571981934318878 ~1988
15572099311441998 ~1987
155721712802990799 ~1990
15572279311445598 ~1987
155729591557295919 ~1989
15573023311460478 ~1987
15573533934411998 ~1988
15573731311474638 ~1987
15573851311477038 ~1987
15574001934440078 ~1988
15574211311484238 ~1987
15574283311485678 ~1987
15574511311490238 ~1987
155748432491974899 ~1989
15575951311519038 ~1987
155764611246116899 ~1989
15576791311535838 ~1987
15576971311539438 ~1987
15577043311540878 ~1987
15577343311546878 ~1987
15577363202505719110 ~1992
Exponent Prime Factor Digits Year
15577811311556238 ~1987
15577817934669038 ~1988
15578219311564398 ~1987
155788371246306979 ~1989
15579181934750878 ~1988
155795691246365539 ~1989
15579911311598238 ~1987
155801991246415939 ~1989
15580283311605678 ~1987
15580871311617438 ~1987
15580919311618398 ~1987
15580979311619598 ~1987
155811912804614399 ~1990
15581191102835860710
15581399311627998 ~1987
15581519311630398 ~1987
15581711311634238 ~1987
15581831311636638 ~1987
15581837934910238 ~1988
15582041934922478 ~1988
15582719311654398 ~1987
155827372181583199 ~1989
15582851311657038 ~1987
15583103311662078 ~1987
15583241934994478 ~1988
Exponent Prime Factor Digits Year
155837871246702979 ~1989
155838291246706339 ~1989
155843692181811679 ~1989
15584423311688478 ~1987
155846231558462319 ~1989
15585431311708638 ~1987
155854871558548719 ~1989
15585611311712238 ~1987
155857011246856099 ~1989
15585721935143278 ~1988
155857991558579919 ~1989
15586177935170638 ~1988
155863491246907939 ~1989
15586391311727838 ~1987
15586451311729038 ~1987
15586619311732398 ~1987
155869333429125279 ~1990
15587497935249838 ~1988
15587651311753038 ~1987
15588143311762878 ~1987
15588299311765998 ~1987
15588431311768638 ~1987
15588563311771278 ~1987
15588659311773198 ~1987
15588791311775838 ~1987
Exponent Prime Factor Digits Year
15588851311777038 ~1987
15589019311780398 ~1987
15589103311782078 ~1987
15589643311792878 ~1987
15590171311803438 ~1987
155905578418900799 ~1991
155907671559076719 ~1989
155914792806466239 ~1990
155916172182826399 ~1989
15591659311833198 ~1987
15591739785823645710 ~1993
15591781935506878 ~1988
15591817935509038 ~1988
15592211311844238 ~1987
15592319311846398 ~1987
15592561935553678 ~1988
15592793935567598 ~1988
15592991311859838 ~1987
15593351311867038 ~1987
15593579311871598 ~1987
15593657935619438 ~1988
15593771311875438 ~1987
15594361935661678 ~1988
15594941935696478 ~1988
15595379311907598 ~1987
1304
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25-11-02