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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
515091655327814949386312 ~2010
51510776933090646615911 ~2008
51510893511030217870311 ~2007
51516097311030321946311 ~2007
51517846911030356938311 ~2007
51518673173091120390311 ~2008
51519177591030383551911 ~2007
51519386511030387730311 ~2007
51520679511030413590311 ~2007
51520767111030415342311 ~2007
51521056311030421126311 ~2007
51528212773091692766311 ~2008
51529297911030585958311 ~2007
51529474791030589495911 ~2007
51530326813091819608711 ~2008
51530647933091838875911 ~2008
51531345138245015220911 ~2009
51535949213092156952711 ~2008
51536966715153696671111 ~2009
51537092475153709247111 ~2009
51537213195153721319111 ~2009
51537330831030746616711 ~2007
51537656631030753132711 ~2007
51538070031030761400711 ~2007
51538701591030774031911 ~2007
Exponent Prime Factor Dig. Year
51539063631030781272711 ~2007
51539878311030797566311 ~2007
51541632711030832654311 ~2007
51548747094123899767311 ~2008
51549649311030992986311 ~2007
51549773391030995467911 ~2007
51550688511031013770311 ~2007
51550701711031014034311 ~2007
51551217111031024342311 ~2007
51553573311031071466311 ~2007
51554907894124392631311 ~2008
515561656937120439296912 ~2011
51556262399280127230311 ~2009
51558878097218242932711 ~2009
51559273791031185475911 ~2007
51560056191031201123911 ~2007
51562144911031242898311 ~2007
51564807111031296142311 ~2007
51567648591031352971911 ~2007
51567717231031354344711 ~2007
51568675191031373503911 ~2007
51568835511031376710311 ~2007
51572096631031441932711 ~2007
51574813275157481327111 ~2009
51575031591031500631911 ~2007
Exponent Prime Factor Dig. Year
51575222391031504447911 ~2007
51576743391031534867911 ~2007
51576859191031537183911 ~2007
51577085595157708559111 ~2009
51577129791031542595911 ~2007
51578102631031562052711 ~2007
51581439831031628796711 ~2007
51581572431031631448711 ~2007
51584663991031693279911 ~2007
51584740911031694818311 ~2007
51584765511031695310311 ~2007
51585044333095102659911 ~2008
51585900231031718004711 ~2007
515889913942302972939912 ~2011
51589313631031786272711 ~2007
51590735391031814707911 ~2007
51591722838254675652911 ~2009
51591749391031834987911 ~2007
51593338311031866766311 ~2007
51595402791031908055911 ~2007
51597273231031945464711 ~2007
51605464311032109286311 ~2007
51606284391032125687911 ~2007
51606416391032128327911 ~2007
51607172391032143447911 ~2007
Exponent Prime Factor Dig. Year
516086359312386072623312 ~2010
51609053631032181072711 ~2007
51610458591032209171911 ~2007
51610761438257721828911 ~2009
51612492533096749551911 ~2008
51612680391032253607911 ~2007
51614168031032283360711 ~2007
51615378173096922690311 ~2008
51619379391032387587911 ~2007
516200520124777624964912 ~2010
51621007911032420158311 ~2007
51621673191032433463911 ~2007
51623250711032465014311 ~2007
51623767275162376727111 ~2009
51625263618260042177711 ~2009
51627541973097652518311 ~2008
51628239831032564796711 ~2007
51628457573097707454311 ~2008
51629031711032580634311 ~2007
51629817831032596356711 ~2007
51631345791032626915911 ~2007
51632014431032640288711 ~2007
51632085591032641711911 ~2007
51632241231032644824711 ~2007
51633592911032671858311 ~2007
4174
GIMPS The Prime Pages FactorDb.com
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25-07-08