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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
240467948093597 ~1981
2404757577141698 ~1983
240485948097197 ~1981
240517148103437 ~1981
2405213721563918 ~1984
2405297144317838 ~1982
2405393336755038 ~1983
24055391010326399 ~1984
2405633577351938 ~1983
2405701529254238 ~1983
2405729192458338 ~1982
2405867625525438 ~1984
2405983240598318 ~1983
2406067240606718 ~1983
2406161144369678 ~1982
2406227192498178 ~1982
240626348125277 ~1981
2406553144393198 ~1982
2406553529441678
2406557144393438 ~1982
2406557577573698
2406631240663118 ~1983
2406793577630338 ~1983
24069471347890339 ~1984
24069471925557619
Exp. Prime Factor Digits Year
2406983625815598 ~1984
2406997144419838 ~1982
2407003240700318 ~1983
2407033577687938 ~1983
2407049722114718 ~1984
2407073722121918 ~1984
2407159240715918 ~1983
2407189529581598 ~1983
2407193144431598 ~1982
2407201722160318 ~1984
2407651240765118 ~1983
2407723577853538 ~1983
240779948155997 ~1981
2407799192623938
240794348158877 ~1981
240803948160797 ~1981
2408093722427918 ~1984
2408201144492078 ~1982
2408239240823918 ~1983
2408257722477118 ~1984
24082791011477199 ~1984
2408587433545678 ~1983
24087297707932819 ~1986
240877148175437 ~1981
2408837722651118 ~1984
Exp. Prime Factor Digits Year
2408983240898318 ~1983
24090311975405439 ~1985
2409061529993438 ~1983
2409157144549438 ~1982
240919148183837 ~1981
2409217144553038 ~1982
24092991011905599 ~1984
2409313144558798 ~1982
2409367385498738 ~1983
2409397144563838 ~1982
2409487240948718 ~1983
2409601144576078 ~1982
2409833144589998 ~1982
2409893144593598 ~1982
2409907240990718 ~1983
240998348199677 ~1981
2410273144616398 ~1982
2410313144618798 ~1982
2410361144621678 ~1982
241057148211437 ~1981
2410621144637278 ~1982
2410627433912878 ~1983
241063148212637 ~1981
2410631626764078
241070348214077 ~1981
Exp. Prime Factor Digits Year
2410897144653838 ~1982
2411291192903298 ~1982
241135148227037 ~1981
2411371241137118 ~1983
2411393144683598 ~1982
241147148229437 ~1981
2411489578757378 ~1983
2411503241150318 ~1983
2411581144694878 ~1982
2411627434092878 ~1983
2411837192946978 ~1982
2411881144712878 ~1982
2412013144720798 ~1982
241202348240477 ~1981
241213148242637 ~1981
2412197144731838 ~1982
241232348246477 ~1981
2412341192987298 ~1982
241247948249597 ~1981
2412491434248398 ~1983
2412541144752478 ~1982
2412547820265998 ~1984
2412653144759198 ~1982
2412667386026738 ~1983
241267148253437 ~1981
445
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26-03-08