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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
9633857578031438 ~1987
9634151192683038 ~1986
9634511192690238 ~1986
96345311734215599 ~1988
9634721578083278 ~1987
9635357578121438 ~1987
9635359963535918 ~1987
9635441770835298 ~1987
9635519192710398 ~1986
96357232505287999 ~1988
9635819192716398 ~1986
9635981578158878 ~1987
9636041578162478 ~1987
9636083192721678 ~1986
9636131770890498 ~1987
9637643192752878 ~1986
96376871734783679 ~1988
9637703192754078 ~1986
9637777578266638 ~1987
9638231771058498 ~1987
9638281578296878 ~1987
96382871734891679 ~1988
9638383963838318 ~1987
9638459192769198 ~1986
9638459771076738
Exp. Prime Factor Digits Year
9638953578337198 ~1987
9639131192782638 ~1986
96392091349489279 ~1988
9639283963928318 ~1987
9639359192787198 ~1986
96396733855869219 ~1989
9639881462714288110 ~1991
9640259192805198 ~1986
9640333578419998 ~1987
9640363964036318 ~1987
9640549154248784110 ~1990
9640811192816238 ~1986
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
Exp. Prime Factor Digits Year
96433271542932339 ~1988
9643391192867838 ~1986
9643427771474178 ~1987
9643661578619678 ~1987
9643813578628798 ~1987
9643943192878878 ~1986
9644101578646078 ~1987
9644111192882238 ~1986
9644879192897598 ~1986
9644891192897838 ~1986
9644891771591298
9645017771601378 ~1987
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
Exp. Prime Factor Digits Year
96474132315379139
9647723192954478 ~1986
9647777578866638 ~1987
9648311192966238 ~1986
9648563192971278 ~1986
9648893578933598 ~1987
9649099964909918 ~1987
9649201578952078 ~1987
9649301771944098 ~1987
96493131350903839 ~1988
9649379192987598 ~1986
9649583192991678 ~1986
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
1041
GIMPS The Prime Pages FactorDb.com
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26-03-08