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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
24625492708803919 ~1985
24626391773100099 ~1985
24626891576120979 ~1985
246269949253997 ~1981
2462717147763038 ~1982
246287949257597 ~1981
2463031246303118 ~1983
24631371379356739 ~1984
246314349262877 ~1981
2463221147793278 ~1982
2463313394130098 ~1983
246337149267437 ~1981
2463401147804078 ~1982
2463779591306978 ~1984
2464117147847038 ~1982
2464313345003838 ~1983
2464457147867438 ~1982
2464457345023998
2464529197162338 ~1982
2464603591504738 ~1984
2464669591520578 ~1984
2464733739419918 ~1984
246479949295997 ~1981
246482349296477 ~1981
246485949297197 ~1981
Exp. Prime Factor Digits Year
2464921147895278 ~1982
2465011246501118 ~1983
2465161147909678 ~1982
2465161739548318
2465201197216098 ~1982
2465467169624129710 ~1987
2465537147932238 ~1982
246557949311597 ~1981
2465599443807838 ~1983
24656274339503539 ~1986
2465657591757698 ~1984
246581949316397 ~1981
24658193748044899
246584349316877 ~1981
246589149317837 ~1981
24659093156363539 ~1985
2465917591820098 ~1984
246595149319037 ~1981
2466197147971838 ~1982
246623949324797 ~1981
2466349591923778 ~1984
2466553739965918 ~1984
2466661542665438 ~1983
2466707197336578 ~1982
2466917345368398 ~1983
Exp. Prime Factor Digits Year
2466973542734078 ~1983
2467021148021278 ~1982
246704349340877 ~1981
2467051246705118 ~1983
2467151197372098 ~1982
2467247641484238 ~1984
2467319444117438 ~1983
24673911381738979 ~1984
246740349348077 ~1981
2467519246751918 ~1983
2467559197404738 ~1982
2467643641587198 ~1984
2467649197411938 ~1982
246785949357197 ~1981
2467921740376318 ~1984
2467931444227598 ~1983
2467979197438338 ~1982
24679791826304479
2468027197442178 ~1982
2468129345538078 ~1983
2468143394902898 ~1983
246835149367037 ~1981
2468357345569998 ~1983
246836349367277 ~1981
2468443246844318 ~1983
Exp. Prime Factor Digits Year
2468629543098398 ~1983
2468813148128798 ~1982
2468861148131678 ~1982
24688671234433519 ~1984
246895149379037 ~1981
2468953148137198 ~1982
24689691777657699 ~1985
2469359790194898 ~1984
2469473345726238 ~1983
2469541543299038 ~1983
2469559246955918 ~1983
24695832963499619 ~1985
2469827197586178 ~1982
2469983592795938 ~1984
24699891185594739 ~1984
2470063247006318 ~1983
2470109345815278 ~1983
2470141148208478 ~1982
2470397148223838 ~1982
2470451197636098 ~1982
247063149412637 ~1981
2470639247063918 ~1983
247067949413597 ~1981
2470679197654338
247069149413837 ~1981
454
GIMPS The Prime Pages FactorDb.com
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26-05-03