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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 Dig. Year
67991811831359836236711 ~2008
67993177191359863543911 ~2008
67994195631359883912711 ~2008
67996359775439708781711 ~2009
67999346391359986927911 ~2008
67999405311359988106311 ~2008
67999802836799980283111 ~2010
68003970111360079402311 ~2008
68006849391360136987911 ~2008
68007189711360143794311 ~2008
68010427911360208558311 ~2008
68016765436801676543111 ~2010
68017416591360348331911 ~2008
68019604791360392095911 ~2008
680197015716324728376912 ~2010
68020553414081233204711 ~2009
68022386991360447739911 ~2008
68025988431360519768711 ~2008
68027740911360554818311 ~2008
68028666711360573334311 ~2008
68030908396803090839111 ~2010
68032022511360640450311 ~2008
68032597791360651955911 ~2008
68044569591360891391911 ~2008
680496526920414895807112 ~2011
Exponent Prime Factor Dig. Year
68050498191361009963911 ~2008
68053602231361072044711 ~2008
68060652231361213044711 ~2008
68061138715444891096911 ~2009
68062220991361244419911 ~2008
68063140431361262808711 ~2008
68063539191361270783911 ~2008
68065587111361311742311 ~2008
68069558031361391160711 ~2008
68070248391361404967911 ~2008
68071084614084265076711 ~2009
68073056511361461130311 ~2008
68082592191361651843911 ~2008
68083079031361661580711 ~2008
68083181031361663620711 ~2008
68086695591361733911911 ~2008
68087808895447024711311 ~2009
68088143391361762867911 ~2008
68089537191361790743911 ~2008
68091007191361820143911 ~2008
68091334911361826698311 ~2008
68091427311361828546311 ~2008
68093117579533036459911 ~2010
68097485575447798845711 ~2009
68098749591361974991911 ~2008
Exponent Prime Factor Dig. Year
68102213476810221347111 ~2010
681029225321792935209712 ~2011
68103324111362066482311 ~2008
68107760991362155219911 ~2008
68109513591362190271911 ~2008
681107061112259927099912 ~2010
68113040575449043245711 ~2009
68115077391362301547911 ~2008
68115575631362311512711 ~2008
68118885111362377702311 ~2008
68119126374087147582311 ~2009
68122184031362443680711 ~2008
68123830791362476615911 ~2008
68124385791362487715911 ~2008
68124641991362492839911 ~2008
68127679911362553598311 ~2008
68131260111362625202311 ~2008
681315847916351580349712 ~2010
68133565191362671303911 ~2008
68136257511362725150311 ~2008
68138021174088281270311 ~2009
68138760111362775202311 ~2008
68140048311362800966311 ~2008
68142558295451404663311 ~2009
68142846374088570782311 ~2009
Exponent Prime Factor Dig. Year
68144339174088660350311 ~2009
68144926734088695603911 ~2009
68149412934088964775911 ~2009
68149758591362995171911 ~2008
68151121911363022438311 ~2008
68151186711363023734311 ~2008
68154117231363082344711 ~2008
68154492711363089854311 ~2008
68155363191363107263911 ~2008
68157604431363152088711 ~2008
68163179391363263587911 ~2008
68165084631363301692711 ~2008
68165608431363312168711 ~2008
68165671195453253695311 ~2009
68166157791363323155911 ~2008
681702729128631514622312 ~2011
68170726311363414526311 ~2008
681730912327269236492112 ~2011
681747547927269901916112 ~2011
681752356716362056560912 ~2010
68182729311363654586311 ~2008
68184428991363688579911 ~2008
68188074831363761496711 ~2008
68192898591363857971911 ~2008
68194664631363893292711 ~2008
4209
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25-06-01