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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
39509638922441474895312 ~2004
395105597237063358310 ~1999
3951059997902119999 ~1998
395106137237063682310 ~1999
395109901237065940710 ~1999
3951188831580475532111 ~2001
3951272637902545279 ~1998
3951341397902682799 ~1998
395137733237082639910 ~1999
3951435597902871199 ~1998
3951588597903177199 ~1998
3951609597903219199 ~1998
3951718797903437599 ~1998
395173033869380672710 ~2001
3951753117903506239 ~1998
3951811797903623599 ~1998
3951921597903843199 ~1998
395215153237129091910 ~1999
395217637237130582310 ~1999
395218973237131383910 ~1999
3952361997904723999 ~1998
3952372917904745839 ~1998
3952462317904924639 ~1998
3952625997905251999 ~1998
395275021869605046310 ~2001
Exponent Prime Factor Digits Year
3952868517905737039 ~1998
3953100117906200239 ~1998
3953274597906549199 ~1998
3953458317906916639 ~1998
3953463597906927199 ~1998
3953500317907000639 ~1998
3953533797907067599 ~1998
3953683317907366639 ~1998
3953932317907864639 ~1998
3953987997907975999 ~1998
3954122037908244079 ~1998
3954181437908362879 ~1998
3954252597908505199 ~1998
3954318717908637439 ~1998
395435371711783667910 ~2000
3954413397908826799 ~1998
3954488637908977279 ~1998
3954499917908999839 ~1998
395452333237271399910 ~1999
3954535437909070879 ~1998
3954609117909218239 ~1998
3954635997909271999 ~1998
3954783837909567679 ~1998
395489069949173765710 ~2001
3954976317909952639 ~1998
Exponent Prime Factor Digits Year
395498309316398647310 ~2000
395503187316402549710 ~2000
3955059172214833135311 ~2002
395517511395517511110 ~2000
3955257597910515199 ~1998
3955296717910593439 ~1998
3955340637910681279 ~1998
395535403395535403110 ~2000
3955367637910735279 ~1998
3955370637910741279 ~1998
3955425837910851679 ~1998
3955437837910875679 ~1998
3955485411265755331311 ~2001
3955617237911234479 ~1998
395592221316473776910 ~2000
3956030517912061039 ~1998
3956077917912155839 ~1998
3956079837912159679 ~1998
3956149917912299839 ~1998
3956186511661598334311 ~2001
3956234517912469039 ~1998
395631617237378970310 ~1999
395635649316508519310 ~2000
395652953237391771910 ~1999
3956580837913161679 ~1998
Exponent Prime Factor Digits Year
395660267316528213710 ~2000
3956603397913206799 ~1998
3956776197913552399 ~1998
395679107316543285710 ~2000
3956801997913603999 ~1998
3956895837913791679 ~1998
395691479316553183310 ~2000
3956975517913951039 ~1998
3957265317914530639 ~1998
3957568317915136639 ~1998
3957571797915143599 ~1998
395763437237458062310 ~1999
395765113633224180910 ~2000
395765791395765791110 ~2000
395796607712433892710 ~2000
3957970197915940399 ~1998
3958014771504045612711 ~2001
395810417316648333710 ~2000
3958154892137403640711 ~2002
3958291511899979924911 ~2002
3958311717916623439 ~1998
395833421237500052710 ~1999
3958345917916691839 ~1998
3958434117916868239 ~1998
3958730397917460799 ~1998
3090
GIMPS The Prime Pages FactorDb.com
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25-05-04