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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
2243309538394178 ~1983
2243623942321678 ~1984
2243741134624478 ~1982
2243743224374318 ~1982
224377144875437 ~1981
2243821134629278 ~1982
2243851224385118 ~1982
22441572648105279 ~1985
2244367538648098 ~1983
224450344890077 ~1981
2244533134671998 ~1982
224465944893197 ~1981
2244703359152498 ~1983
224477944895597 ~1981
2244779179582338
2244821134689278 ~1982
224489944897997 ~1981
224492344898477 ~1981
2244929179594338 ~1982
224503144900637 ~1981
2245289314340478 ~1983
2245301179624098 ~1982
224531944906397 ~1981
2245391179631298 ~1982
2245391943064238
Exp. Prime Factor Digits Year
2245541134732478 ~1982
2245577134734638 ~1982
224567944913597 ~1981
224581144916237 ~1981
2246053134763198 ~1982
2246117134767038 ~1982
2246149539075778 ~1983
2246281134776878 ~1982
224633944926797 ~1981
2246359404344638 ~1983
2246399539135778 ~1983
2246417134785038 ~1982
2246683224668318 ~1982
2246791224679118 ~1982
224683144936637 ~1981
2246869494311198 ~1983
224708344941677 ~1981
2247083296614956110
2247101179768098 ~1982
224713144942637 ~1981
2247173134830398 ~1982
2247449179795938 ~1982
2247461674238318 ~1983
2247521134851278 ~1982
22477936428687999 ~1986
Exp. Prime Factor Digits Year
2247857179828578 ~1982
22479132292871279 ~1985
2247991224799118 ~1982
224801944960397 ~1981
2248021134881278 ~1982
2248087404655678 ~1983
224827144965437 ~1981
2248303224830318 ~1982
224843944968797 ~1981
2248567899426818 ~1984
2248661134919678 ~1982
224867944973597 ~1981
2248769179901538 ~1982
2248787584684638 ~1983
2248853134931198 ~1982
2248901134934078 ~1982
224891944978397 ~1981
2248999224899918 ~1982
2249113109306891910 ~1986
224917144983437 ~1981
224918344983677 ~1981
224923144984637 ~1981
2249591179967298 ~1982
224960344992077 ~1981
224978344995677 ~1981
Exp. Prime Factor Digits Year
2249813134988798 ~1982
2249911404983998 ~1983
2250163225016318 ~1982
2250403945169278 ~1984
2250559225055918 ~1982
2250679225067918 ~1982
2250793135047598 ~1982
2250917315128398 ~1983
2250929315130078 ~1983
2250977180078178 ~1982
225103145020637 ~1981
225110345022077 ~1981
22511295357687039 ~1986
2251153360184498 ~1983
225116345023277 ~1981
225121145024237 ~1981
2251279405230238 ~1983
225145145029037 ~1981
2251451405261198
225155945031197 ~1981
225170345034077 ~1981
2251727405310878 ~1983
2251819225181918 ~1982
2251841180147298 ~1982
2251927405346878 ~1983
413
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25-05-04