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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.
Exponent Prime Factor Digits Year
17639483352789678 ~1988
17639603352792078 ~1988
17640431352808638 ~1988
17640719352814398 ~1988
17641031352820638 ~1988
17641199352823998 ~1988
17641259352825198 ~1988
17641271352825438 ~1988
17641523352830478 ~1988
17641751352835038 ~1988
17641763352835278 ~1988
17641919352838398 ~1988
176421371058528239 ~1989
17642291352845838 ~1988
17642519352850398 ~1988
17642819352856398 ~1988
17642843352856878 ~1988
176429811058578879 ~1989
176439714587432479 ~1990
176448971058693839 ~1989
17644943352898878 ~1988
176453894234893379 ~1990
176455571312829440911 ~1994
17646179352923598 ~1988
17646971352939438 ~1988
Exponent Prime Factor Digits Year
176474531058847199 ~1989
17648063352961278 ~1988
176485971411887779 ~1989
17648651352973038 ~1988
17648723352974478 ~1988
17649899352997998 ~1988
17650019353000398 ~1988
17651339353026798 ~1988
176516091412128739 ~1989
17652473518982706310 ~1993
176525535295765919 ~1990
17652863353057278 ~1988
17653703353074078 ~1988
17653931353078638 ~1988
17654023112985747310 ~1991
176543391412347139 ~1989
17654603353092078 ~1988
17654783353095678 ~1988
176552171059313039 ~1989
17655251353105038 ~1988
17655311353106238 ~1988
17655611353112238 ~1988
176557611059345679 ~1989
17655923353118478 ~1988
17657303353146078 ~1988
Exponent Prime Factor Digits Year
17657819353156398 ~1988
17658479353169598 ~1988
176584937063397219 ~1991
17658551353171038 ~1988
17658743353174878 ~1988
17659259353185198 ~1988
17659511353190238 ~1988
176606091412848739 ~1989
17660651353213038 ~1988
176609331059655999 ~1989
17661023353220478 ~1988
17661503353230078 ~1988
17661851353237038 ~1988
17662499353249998 ~1988
17662679353253598 ~1988
17662871353257438 ~1988
17663111353262238 ~1988
17663231353264638 ~1988
17663237183697664910 ~1992
17663351353267038 ~1988
17663543353270878 ~1988
176637611059825679 ~1989
17663771353275438 ~1988
17663879353277598 ~1988
17664323353286478 ~1988
Exponent Prime Factor Digits Year
17664359353287198 ~1988
176645531059873199 ~1989
17664611353292238 ~1988
17664719353294398 ~1988
17664863353297278 ~1988
17665223353304478 ~1988
17665559353311198 ~1988
17665619353312398 ~1988
176656511766565119 ~1989
176659611059957679 ~1989
17666003353320078 ~1988
176660696713106239 ~1991
176661478479750579 ~1991
17666339353326798 ~1988
176666391413331139 ~1989
17667203353344078 ~1988
17667239353344798 ~1988
17668331353366638 ~1988
17668379353367598 ~1988
176683791413470339
17668619395777065710 ~1993
17668691353373838 ~1988
176686911413495299
17669051353381038 ~1988
176694171060165039 ~1989
1331
GIMPS The Prime Pages FactorDb.com
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25-04-13