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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
156860591568605919 ~1989
15686351313727038 ~1987
15686399313727998 ~1987
15687491313749838 ~1987
156875894706276719 ~1990
15687761941265678 ~1988
15687803313756078 ~1987
15688031313760638 ~1987
15688643313772878 ~1987
15689111313782238 ~1987
156892511568925119 ~1989
15689701941382078 ~1988
15689819313796398 ~1987
15689833941389998 ~1988
15689879313797598 ~1987
156900493765611779 ~1990
15690253941415198 ~1988
15690281941416878 ~1988
15690791313815838 ~1987
15690971313819438 ~1987
15691211313824238 ~1987
15691877941512638 ~1988
15692401941544078 ~1988
156924014707720319
15693299313865998 ~1987
Exponent Prime Factor Digits Year
15693311313866238 ~1987
156933311569333119 ~1989
156934011255472099 ~1989
15693479313869598 ~1987
15693539313870798 ~1987
156937071255496579 ~1989
15694499313889998 ~1987
156947991255583939 ~1989
15694823313896478 ~1987
15695171313903438 ~1987
156951911569519119 ~1989
156956231569562319 ~1989
15695831313916638 ~1987
156958371255666979 ~1989
15695921941755278 ~1988
15696113941766798 ~1988
15696179313923598 ~1987
156962093767090179 ~1990
15696617941797038 ~1988
15697151313943038 ~1987
15697739313954798 ~1987
156978372511653939 ~1989
15697943313958878 ~1987
15697991313959838 ~1987
15698117386173678310 ~1992
Exponent Prime Factor Digits Year
15698219313964398 ~1987
15698363313967278 ~1987
156984771255878179 ~1989
15698519313970398 ~1987
15699119313982398 ~1987
15699791313995838 ~1987
15700199314003998 ~1987
15700259314005198 ~1987
15700717942043038 ~1988
15700739314014798 ~1987
15700871314017438 ~1987
15701051314021038 ~1987
157014496280579619 ~1990
15702191314043838 ~1987
15703153942189198 ~1988
15703403314068078 ~1987
157035532198497439 ~1989
15704113942246798 ~1988
15704303314086078 ~1987
15704737942284238 ~1988
15704831314096638 ~1987
157049811256398499 ~1989
15705071314101438 ~1987
157050834083321599 ~1990
15705461942327678 ~1988
Exponent Prime Factor Digits Year
15705743314114878 ~1987
15705971314119438 ~1987
15705973461755606310 ~1992
15706451314129038 ~1987
15706571314131438 ~1987
15706697942401838 ~1988
15707843314156878 ~1987
15708191314163838 ~1987
157082472513319539 ~1989
15708419314168398 ~1987
15708443314168878 ~1987
157085511256684099 ~1989
157088112827585999 ~1990
15708911314178238 ~1987
157090732199270239 ~1989
157091512827647199 ~1990
157092175969502479 ~1990
15709643314192878 ~1987
15710161942609678 ~1988
15710171314203438 ~1987
15710231314204638 ~1987
15710423314208478 ~1987
157106471571064719 ~1989
157109111571091119 ~1989
15711401942684078 ~1988
1259
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25-04-13