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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
96263032502838799 ~1988
96265432310370339 ~1988
9626783155953884710 ~1990
9627071192541438 ~1986
9627239192544798 ~1986
9627311192546238 ~1986
9627481577648878 ~1987
96277692310664579 ~1988
96279531347913439 ~1988
9627977577678638 ~1987
9628111962811118 ~1987
9628121577687278 ~1987
9628163192563278 ~1986
9628403192568078 ~1986
9628813577728798 ~1987
9628873577732398 ~1987
9629159192583198 ~1986
9629461577767678 ~1987
9629579192591598 ~1986
9629621770369698 ~1987
9629639770371138 ~1987
9630161577809678 ~1987
9630311770424898 ~1987
9630371192607438 ~1986
9630431192608638 ~1986
Exp. Prime Factor Digits Year
9631019192620398 ~1986
9631091192621838 ~1986
9631439192628798 ~1986
96316812118969839 ~1988
9631697693482184110 ~1992
9631703192634078 ~1986
9631883192637678 ~1986
9632303192646078 ~1986
9632369770589538 ~1987
9632681577960878 ~1987
9632717770617378 ~1987
9632879192657598 ~1986
9632933577975998 ~1987
9633119192662398 ~1986
96331491348640879 ~1988
9633277577996638 ~1987
9633433578005998 ~1987
9633443192668878 ~1986
9633521578011278 ~1987
96335812890074319 ~1988
9633623192672478 ~1986
9633857578031438 ~1987
9634151192683038 ~1986
9634511192690238 ~1986
96345311734215599 ~1988
Exp. Prime Factor Digits Year
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
9638953578337198 ~1987
9639131192782638 ~1986
96392091349489279 ~1988
9639283963928318 ~1987
Exp. Prime Factor Digits Year
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
96433271542932339 ~1988
9643391192867838 ~1986
9643427771474178 ~1987
9643661578619678 ~1987
1028
GIMPS The Prime Pages FactorDb.com
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25-12-14