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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
2239157134349438 ~1982
2239459223945918 ~1982
2239561358329778 ~1983
2239577179166178 ~1982
2239591223959118 ~1982
2239709716706898 ~1984
2239711895884418 ~1984
2239723223972318 ~1982
2239957134397438 ~1982
2240071403212798 ~1983
2240101134406078 ~1982
2240113672033918 ~1983
224015944803197 ~1981
224029144805837 ~1981
2240291179223298
2240377134422638 ~1982
2240389537693378 ~1983
2240633313688638 ~1983
224066344813277 ~1981
2240747179259778 ~1982
2240759941118798 ~1984
2240809537794178 ~1983
2240837378253285710 ~1988
224096344819277 ~1981
2240977537834498 ~1983
Exp. Prime Factor Digits Year
2241011179280898 ~1982
2241011582662878
2241013347805217710 ~1988
22410491210166479 ~1984
224111944822397 ~1981
2241163358586098 ~1983
22412512151600979 ~1985
224131144826237 ~1981
2241359179308738 ~1982
2241431179314498 ~1982
22414311793144819
224144344828877 ~1981
2241509313811278 ~1983
2241599403487838 ~1983
2242187179374978 ~1982
224221144844237 ~1981
2242231224223118 ~1982
2242291358766578 ~1983
224234344846877 ~1981
224237944847597 ~1981
2242517134551038 ~1982
2242733538255938 ~1983
224273944854797 ~1981
2242739717676498
224276344855277 ~1981
Exp. Prime Factor Digits Year
2242781134566878 ~1982
224281144856237 ~1981
2242811717699538
2242847179427778 ~1982
224287144857437 ~1981
2242873134572398 ~1982
2242921134575278 ~1982
22429571570069919 ~1984
2243027179442178 ~1982
22430771749600079 ~1984
22430891076682739 ~1984
224312344862477 ~1981
2243161358905778 ~1983
22431771794541619 ~1985
22432033454532639 ~1985
2243281358924978 ~1983
2243309538394178 ~1983
2243623942321678 ~1984
2243741134624478 ~1982
2243743224374318 ~1982
224377144875437 ~1981
2243789673136718 ~1983
2243821134629278 ~1982
2243851224385118 ~1982
22441572648105279 ~1985
Exp. Prime Factor Digits Year
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
2245541134732478 ~1982
2245577134734638 ~1982
224567944913597 ~1981
224581144916237 ~1981
2246053134763198 ~1982
2246117134767038 ~1982
2246149539075778 ~1983
2246281134776878 ~1982
420
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25-10-26