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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
51538070031030761400711 ~2007
51538701591030774031911 ~2007
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
Exponent Prime Factor Dig. Year
51574813275157481327111 ~2009
51575031591031500631911 ~2007
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
Exponent Prime Factor Dig. Year
51606416391032128327911 ~2007
51607172391032143447911 ~2007
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
Exponent Prime Factor Dig. Year
51632241231032644824711 ~2007
51633592911032671858311 ~2007
51633780618261404897711 ~2009
51633932391032678647911 ~2007
51637685031032753700711 ~2007
51642342591032846851911 ~2007
51643512714131481016911 ~2008
51643632711032872654311 ~2007
51644746311032894926311 ~2007
51646870191032937403911 ~2007
51648358431032967168711 ~2007
51648512874131881029711 ~2008
51651202311033024046311 ~2007
51653749431033074988711 ~2007
51653830431033076608711 ~2007
51656640111033132802311 ~2007
51657072591033141451911 ~2007
51657089031033141780711 ~2007
51658880991033177619911 ~2007
51660097013099605820711 ~2008
51661159911033223198311 ~2007
51664614138266338260911 ~2009
51669896094133591687311 ~2008
51670625031033412500711 ~2007
51671198511033423970311 ~2007
4121
GIMPS The Prime Pages FactorDb.com
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25-06-01