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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
12525563250511278 ~1986
125258418768088719 ~1990
12525881751552878 ~1988
125259118267101279 ~1990
125260391252603919 ~1988
125260512004168179 ~1989
12526259250525198 ~1986
12526537751592238 ~1988
12526571250531438 ~1986
12526583250531678 ~1986
12526961751617678 ~1988
125284491002275939 ~1988
12528563250571278 ~1986
12528653751719198 ~1988
12529271250585438 ~1986
12529631250592638 ~1986
12530099250601998 ~1986
12530123250602478 ~1986
12530159250603198 ~1986
12530183250603678 ~1986
12530783250615678 ~1986
12531131250622638 ~1986
12531671250633438 ~1986
12532763250655278 ~1986
12533051250661038 ~1986
Exponent Prime Factor Digits Year
12533117751987038 ~1988
12533123250662478 ~1986
12533441752006478 ~1988
125335011002680099 ~1988
125335014010720339
12533831250676638 ~1986
12534143250682878 ~1986
12534239250684798 ~1986
12534311250686238 ~1986
12534637752078238 ~1988
12535423200566768110 ~1991
12535643250712878 ~1986
12535751250715038 ~1986
12535823250716478 ~1986
125358432005734899 ~1989
12535871250717438 ~1986
12536159250723198 ~1986
125362911002903299 ~1988
12536339250726798 ~1986
12536351250727038 ~1986
12537013752220798 ~1988
125370891755192479 ~1988
125371011002968099 ~1988
12537443250748878 ~1986
12537601752256078 ~1988
Exponent Prime Factor Digits Year
125376311253763119 ~1988
12537683250753678 ~1986
12537713752262798 ~1988
12537719250754398 ~1986
12538283250765678 ~1986
12538343250766878 ~1986
12538439250768798 ~1986
12538811250776238 ~1986
12538931250778638 ~1986
12539003250780078 ~1986
125391671253916719 ~1988
12539843250796878 ~1986
12540263250805278 ~1986
12540491250809838 ~1986
12540653752439198 ~1988
125410371755745199 ~1988
12541211250824238 ~1986
125412473260724239 ~1989
12541283250825678 ~1986
12541439250828798 ~1986
12541493752489598 ~1988
12541541752492478 ~1988
12541751250835038 ~1986
12541799250835998 ~1986
12541811250836238 ~1986
Exponent Prime Factor Digits Year
12542401752544078 ~1988
125424012759328239
12542639250852798 ~1986
12542723250854478 ~1986
12542951250859038 ~1986
12543071250861438 ~1986
125433471003467779 ~1988
12543593752615598 ~1988
12543911250878238 ~1986
12543959250879198 ~1986
125439891003519139 ~1988
12544033752641998 ~1988
12544139250882798 ~1986
12544241752654478 ~1988
12544877752692638 ~1988
12544943250898878 ~1986
125454473010907299 ~1989
12546179250923598 ~1986
125462536774976639 ~1990
125464632007434099 ~1989
12546923250938478 ~1986
12547319250946398 ~1986
12547499250949998 ~1986
125478417779661439 ~1990
125484111003872899 ~1988
1136
GIMPS The Prime Pages FactorDb.com
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25-05-04