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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
42054503841090078 ~1991
42054671841093438 ~1991
42054839841096798 ~1991
42056543841130878 ~1991
42056561126169683110 ~1993
42057791841155838 ~1991
42057959841159198 ~1991
42058403841168078 ~1991
42058417126175251110 ~1993
42058619841172398 ~1991
42059999841199998 ~1991
42060503841210078 ~1991
420610012523660079 ~1992
420637132523822799 ~1992
42064331841286638 ~1991
42064679302865688910 ~1994
42065099841301998 ~1991
42066371841327438 ~1991
42067079841341598 ~1991
420678413365427299 ~1992
420692213365537699 ~1992
42069491841389838 ~1991
42070331841406638 ~1991
42070559841411198 ~1991
420707836731325299 ~1993
Exponent Prime Factor Digits Year
42070823841416478 ~1991
420725873365806979 ~1992
42073259841465198 ~1991
42073379841467598 ~1991
420740932524445599 ~1992
42074663841493278 ~1991
42075359841507198 ~1991
420757932524547599 ~1992
42076043841520878 ~1991
420783132524698799 ~1992
42079703841594078 ~1991
420797536732760499 ~1993
42080099841601998 ~1991
420800993366407939
42081491841629838 ~1991
420817073366536579 ~1992
42081863841637278 ~1991
42082823841656478 ~1991
42084151370340528910 ~1995
420843532525061199 ~1992
42084683841693678 ~1991
42084803841696078 ~1991
42085091841701838 ~1991
42085619841712398 ~1991
42086123841722478 ~1991
Exponent Prime Factor Digits Year
42086939513460655910 ~1995
42087191841743838 ~1991
42087371841747438 ~1991
42088031841760638 ~1991
420886013367088099 ~1992
42088883841777678 ~1991
42089231841784638 ~1991
42089639841792798 ~1991
420901193367209539 ~1992
42091019841820398 ~1991
42091559841831198 ~1991
42091823841836478 ~1991
42092339841846798 ~1991
420928073367424579 ~1992
42093143841862878 ~1991
42093251841865038 ~1991
42093671841873438 ~1991
42093851841877038 ~1991
420948173367585379 ~1992
42095591841911838 ~1991
42096863841937278 ~1991
420971093367768739 ~1992
42097691841953838 ~1991
42098159841963198 ~1991
420983695893771679 ~1993
Exponent Prime Factor Digits Year
42098663841973278 ~1991
420989114209891119 ~1992
42098939841978798 ~1991
42099143841982878 ~1991
421020372526122239 ~1992
42102143842042878 ~1991
42102563842051278 ~1991
42103199842063998 ~1991
42103283842065678 ~1991
42105179842103598 ~1991
42106919842138398 ~1991
421071293368570339 ~1992
42108491842169838 ~1991
42108611842172238 ~1991
42109211842184238 ~1991
42109451842189038 ~1991
421103812526622879 ~1992
42110891842217838 ~1991
42111071842221438 ~1991
42111623842232478 ~1991
42113651842273038 ~1991
42114599842291998 ~1991
421150973369207779 ~1992
421153972526923839 ~1992
42116051842321038 ~1991
1967
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25-06-08