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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.
Exp. Prime Factor Digits Year
9640973578458398 ~1987
96410412892312319 ~1988
9641171192823438 ~1986
9641293578477598 ~1987
9641783192835678 ~1986
9642203192844078 ~1986
9642593578555598 ~1987
9642683192853678 ~1986
9642991964299118 ~1987
9643031192860638 ~1986
96430331542885299 ~1988
9643163192863278 ~1986
9643181771454498 ~1987
96433271542932339 ~1988
9643391192867838 ~1986
9643427771474178 ~1987
9643661578619678 ~1987
9643813578628798 ~1987
9643943192878878 ~1986
9644101578646078 ~1987
9644111192882238 ~1986
9644879192897598 ~1986
9644891192897838 ~1986
9644891771591298
9645017771601378 ~1987
Exp. Prime Factor Digits Year
9645263192905278 ~1986
9645539192910798 ~1986
9645959192919198 ~1986
9646163192923278 ~1986
9646277578776638 ~1987
9646523192930478 ~1986
9646631771730498 ~1987
9646691192933838 ~1986
9646753578805198 ~1987
9647153578829198 ~1987
9647161578829678 ~1987
9647207771776578 ~1987
9647413578844798 ~1987
96474132315379139
9647723192954478 ~1986
9647777578866638 ~1987
9648311192966238 ~1986
9648563192971278 ~1986
9648893578933598 ~1987
9649099964909918 ~1987
9649201578952078 ~1987
9649301771944098 ~1987
96493131350903839 ~1988
9649379192987598 ~1986
9649583192991678 ~1986
Exp. Prime Factor Digits Year
9650051193001038 ~1986
9650159193003198 ~1986
9650171193003438 ~1986
9650219193004398 ~1986
9650411193008238 ~1986
9650813579048798 ~1987
9651073579064398 ~1987
9651457579087438 ~1987
9651539193030798 ~1986
96515531544248499 ~1988
9651637579098238 ~1987
9651659772132738 ~1987
9651683193033678 ~1986
9651959193039198 ~1986
9652063965206318 ~1987
9652151193043038 ~1986
9652367772189378 ~1987
9652403285711128910 ~1991
9652417579145038 ~1987
9652463193049278 ~1986
9652681579160878 ~1987
9652739193054798 ~1986
9652871193057438 ~1986
9653381579202878 ~1987
9653519193070398 ~1986
Exp. Prime Factor Digits Year
9653641579218478 ~1987
9653857579231438 ~1987
9654221579253278 ~1987
9654241579254478 ~1987
9654377579262638 ~1987
9654433108129649710 ~1990
96544791737806239 ~1988
9654791193095838 ~1986
9654889108134756910 ~1990
9654959193099198 ~1986
9655007772400578 ~1987
9655033579301998 ~1987
9655267965526718 ~1987
9655559193111198 ~1986
9655697579341838 ~1987
9655799193115998 ~1986
96558012124276239 ~1988
9655979193119598 ~1986
9655981579358878 ~1987
9656039193120798 ~1986
9656819193136398 ~1986
9656917579415038 ~1987
9656947965694718 ~1987
96570012124540239 ~1988
9657113579426798 ~1987
1046
GIMPS The Prime Pages FactorDb.com
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26-04-05