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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
4611209368896738 ~1985
4611391737822578 ~1985
461144392228877 ~1983
4611457276687438 ~1984
4611613276696798 ~1984
4611697276701838 ~1984
461177992235597 ~1983
461192392238477 ~1983
4612001368960098 ~1985
4612187830193678 ~1985
461219992243997 ~1983
4612217368977378 ~1985
4612313645723838 ~1985
461234392246877 ~1983
4612477276748638 ~1984
4612477737996338
461251192250237 ~1983
461257192251437 ~1983
4612571369005698
46126691107040579 ~1986
4612709645779278 ~1985
461285992257197 ~1983
4612987265708051310 ~1989
4613051369044098 ~1985
4613071738091378 ~1985
Exp. Prime Factor Digits Year
4613237276794238 ~1984
4613701738192178 ~1985
4614173276850398 ~1984
46143472584034339 ~1987
46143492214887539 ~1986
4614419369153538 ~1985
461447992289597 ~1983
4614713276882798 ~1984
461471992294397 ~1983
461483992296797 ~1983
46149014061112899 ~1987
461497192299437 ~1983
461498392299677 ~1983
46149971384499119 ~1986
4615057738409138 ~1985
46150731107617539 ~1986
4615099461509918 ~1985
4615333276919998 ~1984
46156031569305039 ~1986
461599192319837 ~1983
4615991369279298
4615999461599918 ~1985
4616033276961998 ~1984
461606392321277 ~1983
4616113276966798 ~1984
Exp. Prime Factor Digits Year
4616317276979038 ~1984
4616347461634718 ~1985
4616413276984798 ~1984
4616497738639538 ~1985
4616531369322498 ~1985
4616587461658718 ~1985
461660392332077 ~1983
461687992337597 ~1983
4617073738731698 ~1985
461714392342877 ~1983
4617161369372898 ~1985
46171992216255539 ~1986
461747992349597 ~1983
4617493277049598 ~1984
4617533277051998 ~1984
4617541277052478 ~1984
4617617277057038 ~1984
4617737277064238 ~1984
4617737369418978
4618001277080078 ~1984
4618139369451138 ~1985
46182131108371139 ~1986
4618241277094478 ~1984
461839192367837 ~1983
4618483738957298 ~1985
Exp. Prime Factor Digits Year
4618717277123038 ~1984
4618961369516898 ~1985
461897992379597 ~1983
4619009646661278 ~1985
4619039369523138 ~1985
4619203461920318 ~1985
4619281277156878 ~1984
461939992387997 ~1983
461951992390397 ~1983
4619669646753678 ~1985
4619947831590478 ~1985
46201391108833379 ~1986
462017992403597 ~1983
462019192403837 ~1983
46203591478514899 ~1986
462041992408397 ~1983
462049192409837 ~1983
462061192412237 ~1983
462077992415597 ~1983
46209612125642079 ~1986
46209771755971279 ~1986
46211291386338719 ~1986
4621157277269438 ~1984
462116392423277 ~1983
462134392426877 ~1983
674
GIMPS The Prime Pages FactorDb.com
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26-03-29