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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
2121685914243371839 ~1996
212169821169735856910 ~1998
2121701514243403039 ~1996
2121721794243443599 ~1996
212183617127310170310 ~1997
212184737127310842310 ~1997
2121881994243763999 ~1996
2121921114243842239 ~1996
2121944394243888799 ~1996
2122194114244388239 ~1996
2122226034244452079 ~1996
2122278714244557439 ~1996
2122281834244563679 ~1996
2122310034244620079 ~1996
212235371891388558310 ~1999
2122361634244723279 ~1996
212244661127346796710 ~1997
212246351169797080910 ~1998
2122466034244932079 ~1996
2122501794245003599 ~1996
2122502994245005999 ~1996
212250329297150460710 ~1998
2122516194245032399 ~1996
212255521127353312710 ~1997
2122609314245218639 ~1996
Exponent Prime Factor Digits Year
2122700394245400799 ~1996
2122709394245418799 ~1996
2122734234245468479 ~1996
212273729169818983310 ~1998
2122811034245622079 ~1996
2122864131188803912911 ~2000
2122875714245751439 ~1996
2122887114245774239 ~1996
212290633127374379910 ~1997
212294917127376950310 ~1997
2123053434246106879 ~1996
2123069813184604715111 ~2001
2123122314246244639 ~1996
2123159634246319279 ~1996
2123166234246332479 ~1996
212318801127391280710 ~1997
2123231514246463039 ~1996
2123313234246626479 ~1996
212333501169866800910 ~1998
2123387994246775999 ~1996
2123394234246788479 ~1996
2123434314246868639 ~1996
2123456034246912079 ~1996
212346157127407694310 ~1997
2123518314247036639 ~1996
Exponent Prime Factor Digits Year
2123534394247068799 ~1996
212361343212361343110 ~1998
2123636994247273999 ~1996
212363797127418278310 ~1997
2123705514247411039 ~1996
212384741127430844710 ~1997
212384989637154967110 ~1999
212385161127431096710 ~1997
2124056034248112079 ~1996
2124102594248205199 ~1996
2124186234248372479 ~1996
212423353127454011910 ~1997
2124250194248500399 ~1996
212427331339883729710 ~1998
2124411114248822239 ~1996
2124413034248826079 ~1996
212444621127466772710 ~1997
212445679212445679110 ~1998
2124477714248955439 ~1996
2124477834248955679 ~1996
212458391169966712910 ~1998
2124603594249207199 ~1996
2124614514249229039 ~1996
2124631314249262639 ~1996
212468497127481098310 ~1997
Exponent Prime Factor Digits Year
2124724794249449599 ~1996
2124749394249498799 ~1996
2124814434249628879 ~1996
2124850794249701599 ~1996
2124872394249744799 ~1996
2124899514249799039 ~1996
2124907794249815599 ~1996
212498653127499191910 ~1997
2125071114250142239 ~1996
212514859382526746310 ~1998
212516011212516011110 ~1998
212516179212516179110 ~1998
2125164594250329199 ~1996
2125231914250463839 ~1996
2125328994250657999 ~1996
2125393914250787839 ~1996
2125601514251203039 ~1996
2125692234251384479 ~1996
212570341127542204710 ~1997
212573597170058877710 ~1998
2125773114251546239 ~1996
212581001127548600710 ~1997
2125838034251676079 ~1996
2126078034252156079 ~1996
2126116314252232639 ~1996
2969
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25-11-02