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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
15695921941755278 ~1988
15696113941766798 ~1988
15696179313923598 ~1987
156962093767090179 ~1990
15696617941797038 ~1988
15697151313943038 ~1987
15697739313954798 ~1987
156978372511653939 ~1989
15697943313958878 ~1987
15697991313959838 ~1987
15698117386173678310 ~1992
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
Exponent Prime Factor Digits Year
15703153942189198 ~1988
15703403314068078 ~1987
157035532198497439 ~1989
15704113942246798 ~1988
15704303314086078 ~1987
15704737942284238 ~1988
15704831314096638 ~1987
157049811256398499 ~1989
15705071314101438 ~1987
157050834083321599 ~1990
15705461942327678 ~1988
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
Exponent Prime Factor Digits Year
157090732199270239 ~1989
157091512827647199 ~1990
157092175969502479 ~1990
15709643314192878 ~1987
15710161942609678 ~1988
15710171314203438 ~1987
15710231314204638 ~1987
15710423314208478 ~1987
157106471571064719 ~1989
157109111571091119 ~1989
15711401942684078 ~1988
15711593942695598 ~1988
15711743314234878 ~1987
15711973942718398 ~1988
15712043314240878 ~1987
15712871314257438 ~1987
15713279314265598 ~1987
15713303314266078 ~1987
157133033771192739
15713459314269198 ~1987
15713591314271838 ~1987
15713617942817038 ~1988
157138512828493199 ~1990
157140671571406719 ~1989
157144071257152579 ~1989
Exponent Prime Factor Digits Year
15714913942894798 ~1988
157152911571529119 ~1989
15715439314308798 ~1987
15715691314313838 ~1987
157157533457465679 ~1990
15716663314333278 ~1987
15717181943030878 ~1988
15717371314347438 ~1987
15718019314360398 ~1987
15718403314368078 ~1987
15718679314373598 ~1987
157188891257511139 ~1989
15719003314380078 ~1987
157190271257522179 ~1989
15719843314396878 ~1987
157199091257592739 ~1989
15720361943221678 ~1988
15720539314410798 ~1987
15720863314417278 ~1987
157212171257697379 ~1989
15721883314437678 ~1987
15721921943315278 ~1988
15722183314443678 ~1987
15722279314445598 ~1987
157224311572243119 ~1989
1273
GIMPS The Prime Pages FactorDb.com
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25-06-08