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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
40618031812360638 ~1990
40618271812365438 ~1990
406184335686580639 ~1993
40618439812368798 ~1990
40619651812393038 ~1990
406202695686837679 ~1993
406204073249632579 ~1992
406208212437249279 ~1992
406210332437261999 ~1992
40621043812420878 ~1990
40621859812437198 ~1990
40622363812447278 ~1990
40622999812459998 ~1990
40623371812467438 ~1990
40624019812480398 ~1990
406243013249944099 ~1992
40624439812488798 ~1990
406247693249981539 ~1992
40626359812527198 ~1990
40627283812545678 ~1990
40627523812550478 ~1990
40627703812554078 ~1990
406282673250261379 ~1992
40628723812574478 ~1990
40629059812581198 ~1990
Exponent Prime Factor Digits Year
40629383812587678 ~1990
40630871812617438 ~1990
40630883812617678 ~1990
40631399812627998 ~1990
40631879812637598 ~1990
406318812437912879 ~1992
40631891812637838 ~1990
40632491812649838 ~1990
406330373250642979 ~1992
40633391487600692110 ~1995
40634579812691598 ~1990
40634651812693038 ~1990
406354793250838339 ~1992
40635599812711998 ~1990
40635911812718238 ~1990
40635923812718478 ~1990
40636019812720398 ~1990
406369972438219839 ~1992
40637039812740798 ~1990
40637111812742238 ~1990
406371532438229199 ~1992
40637771812755438 ~1990
40637783812755678 ~1990
40637963812759278 ~1990
40638371812767438 ~1990
Exponent Prime Factor Digits Year
40638791812775838 ~1990
40639211812784238 ~1990
40639463812789278 ~1990
40639559812791198 ~1990
40639691812793838 ~1990
40639883812797678 ~1990
40640051812801038 ~1990
40640543812810878 ~1990
40640843812816878 ~1990
40641179812823598 ~1990
40641371812827438 ~1990
406417216502675379 ~1993
40641911812838238 ~1990
40642883812857678 ~1990
40643411812868238 ~1990
40643483812869678 ~1990
40643639812872798 ~1990
40644371812887438 ~1990
40644839812896798 ~1990
40645103812902078 ~1990
40645331812906638 ~1990
40645343812906878 ~1990
406453877316169679 ~1993
40645463812909278 ~1990
40645823812916478 ~1990
Exponent Prime Factor Digits Year
40645919812918398 ~1990
40646003812920078 ~1990
406469812438818879 ~1992
40647311812946238 ~1990
40647329739781387910 ~1995
40647443812948878 ~1990
40647863812957278 ~1990
40648271812965438 ~1990
40649123812982478 ~1990
40649243812984878 ~1990
40650059813001198 ~1990
40650251813005038 ~1990
40651043813020878 ~1990
40651739813034798 ~1990
40652123813042478 ~1990
40652471813049438 ~1990
40652999813059998 ~1990
40653083105698015910 ~1993
40653659813073198 ~1990
40653923813078478 ~1990
40653971813079438 ~1990
40654643813092878 ~1990
40655819813116398 ~1990
406561699757480579 ~1993
40656971813139438 ~1990
2166
GIMPS The Prime Pages FactorDb.com
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26-08-02