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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
7951301636104098 ~1986
7951403159028078 ~1985
7951523159030478 ~1985
7951681477100878 ~1986
7951711795171118 ~1987
7951751636140098 ~1986
7952099159041998 ~1985
7952171636173698 ~1986
7952363159047278 ~1985
7952389496229073710 ~1991
7952471159049438 ~1985
7952677477160638 ~1986
79530791908738979 ~1988
79531096998735939 ~1989
79531335726255779 ~1989
7953347636267778 ~1986
7953359159067198 ~1985
79536773022397279 ~1988
7953899159077998 ~1985
7953923159078478 ~1985
7954031159080638 ~1985
7955117140010059310 ~1990
7955279636422338 ~1986
7955543159110878 ~1985
7955741636459298 ~1986
Exp. Prime Factor Digits Year
7955897477353838 ~1986
79560314614497999 ~1988
7956521477391278 ~1986
7956737477404238 ~1986
7956983159139678 ~1985
7957039795703918 ~1987
7957091636567298 ~1986
79572592546322899 ~1988
79573871273181939 ~1987
7957801477468078 ~1986
7957867795786718 ~1987
7958039159160798 ~1985
79582571273321139 ~1987
7958399159167998 ~1985
7958591159171838 ~1985
7958837636706978 ~1986
79590111432621999 ~1987
7959073477544398 ~1986
79590891114272479 ~1987
7959599159191998 ~1985
7959599636767938
7960019159200398 ~1985
7960223159204478 ~1985
79603631273658099 ~1987
7960453477627198 ~1986
Exp. Prime Factor Digits Year
7960523159210478 ~1985
7960559159211198 ~1985
7960643159212878 ~1985
7960699796069918 ~1987
7960969146481829710 ~1990
7961279159225598 ~1985
7961839796183918 ~1987
7961879159237598 ~1985
7961939159238798 ~1985
7962151796215118 ~1987
7962161636972898 ~1986
7962203159244078 ~1985
79624973025748879 ~1988
7962917477775038 ~1986
7963141477788478 ~1986
7963271159265438 ~1985
79632713981635519
79634411184960020911 ~1992
7963523159270478 ~1985
79637571114925999 ~1987
7963919159278398 ~1985
7964471159289438 ~1985
7964711159294238 ~1985
79648812389464319 ~1988
7965071159301438 ~1985
Exp. Prime Factor Digits Year
79651273186050819 ~1988
7965173477910398 ~1986
7965457477927438 ~1986
7965779637262338 ~1986
7965803159316078 ~1985
7966019159320398 ~1985
7966103159322078 ~1985
7966379159327598 ~1985
7966391159327838 ~1985
7966499159329998 ~1985
7966571637325698 ~1986
7966817637345378 ~1986
7966853478011198 ~1986
79668731912049539 ~1988
7966979159339598 ~1985
79670091115381279 ~1987
7967021478021278 ~1986
7967231159344638 ~1985
7967261637380898 ~1986
7967263796726318 ~1987
7967461478047678 ~1986
7967521478051278 ~1986
7967777478066638 ~1986
7967819159356398 ~1985
7967831159356638 ~1985
891
GIMPS The Prime Pages FactorDb.com
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25-04-13