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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
3957970197915940399 ~1998
3958014771504045612711 ~2001
395810417316648333710 ~2000
3958154892137403640711 ~2002
3958291511899979924911 ~2002
3958311717916623439 ~1998
395833421237500052710 ~1999
3958345917916691839 ~1998
3958434117916868239 ~1998
3958730397917460799 ~1998
3958795917917591839 ~1998
395887573237532543910 ~1999
395888173237532903910 ~1999
3958943637917887279 ~1998
3959053197918106399 ~1998
3959171637918343279 ~1998
3959181237918362479 ~1998
3959182917918365839 ~1998
3959377917918755839 ~1998
3959482197918964399 ~1998
395960009316768007310 ~2000
3959629437919258879 ~1998
395966161237579696710 ~1999
3959794917919589839 ~1998
3960013797920027599 ~1998
Exponent Prime Factor Digits Year
396016801237610080710 ~1999
3960297237920594479 ~1998
396039121237623472710 ~1999
396040817237624490310 ~1999
3960411837920823679 ~1998
3960587397921174799 ~1998
3960797994832173547911 ~2003
3960855597921711199 ~1998
3960987237921974479 ~1998
3961024917922049839 ~1998
3961038717922077439 ~1998
3961057917922115839 ~1998
3961281717922563439 ~1998
396128861237677316710 ~1999
3961328397922656799 ~1998
396142259316913807310 ~2000
3961502997923005999 ~1998
396161657237696994310 ~1999
396164051316931240910 ~2000
396168907713104032710 ~2000
396176069554646496710 ~2000
3961930797923861599 ~1998
396203933554685506310 ~2000
3962149197924298399 ~1998
3962171037924342079 ~1998
Exponent Prime Factor Digits Year
3962207332218836104911 ~2002
3962224797924449599 ~1998
3962268237924536479 ~1998
3962306037924612079 ~1998
396248917950997400910 ~2001
3962685837925371679 ~1998
396279413237767647910 ~1999
3962875437925750879 ~1998
396314057237788434310 ~1999
3963168837926337679 ~1998
396331493237798895910 ~1999
396351401237810840710 ~1999
3963582717927165439 ~1998
3963647397927294799 ~1998
3963647517927295039 ~1998
3963759717927519439 ~1998
396380027317104021710 ~2000
3963891837927783679 ~1998
3964202397928404799 ~1998
3964317237928634479 ~1998
3964534197929068399 ~1998
396454337237872602310 ~1999
3964558797929117599 ~1998
3964780797929561599 ~1998
3964882317929764639 ~1998
Exponent Prime Factor Digits Year
3964970092141083848711 ~2002
3965009997930019999 ~1998
3965042637930085279 ~1998
3965046237930092479 ~1998
396508241237904944710 ~1999
3965190837930381679 ~1998
3965310717930621439 ~1998
396547973237928783910 ~1999
3965489637930979279 ~1998
3965614437931228879 ~1998
3965658117931316239 ~1998
3965785797931571599 ~1998
396580637237948382310 ~1999
3965851917931703839 ~1998
396593777237956266310 ~1999
396614609555260452710 ~2000
3966153717932307439 ~1998
3966164037932328079 ~1998
3966220437932440879 ~1998
3966370197932740399 ~1998
396638401237983040710 ~1999
396642593237985555910 ~1999
3966622197933244399 ~1998
3966645717933291439 ~1998
3966797997933595999 ~1998
3357
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26-01-11