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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
4338397163867679432710 ~2006
4338432083867686416710 ~2006
4338651503867730300710 ~2006
433870745945122557573712 ~2010
4338730619867746123910 ~2006
43388859972603331598311 ~2007
4338914159867782831910 ~2006
43389346613471147728911 ~2008
4339036679867807335910 ~2006
4339051523867810304710 ~2006
4339056899867811379910 ~2006
4339275911867855182310 ~2006
43392997099546459359911 ~2009
433932959334714636744112 ~2010
4339602539867920507910 ~2006
43396129936943380788911 ~2008
4339659563867931912710 ~2006
43396862573471749005711 ~2008
4339834259867966851910 ~2006
43398679212603920752711 ~2007
43399038194339903819111 ~2008
4339964003867992800710 ~2006
4339978631867995726310 ~2006
4340151659868030331910 ~2006
4340242139868048427910 ~2006
Exponent Prime Factor Digits Year
4340350691868070138310 ~2006
4340352743868070548710 ~2006
4340422679868084535910 ~2006
4340510231868102046310 ~2006
4340713379868142675910 ~2006
4340730059868146011910 ~2006
43407320213472585616911 ~2008
4340774351868154870310 ~2006
4340842559868168511910 ~2006
434088104910418114517712 ~2009
4340907299868181459910 ~2006
4340986343868197268710 ~2006
4341024431868204886310 ~2006
43411292572604677554311 ~2007
4341191843868238368710 ~2006
4341194051868238810310 ~2006
43412957336077814026311 ~2008
4341364679868272935910 ~2006
4341651383868330276710 ~2006
43418437636946950020911 ~2008
4341987011868397402310 ~2006
43421231932605273915911 ~2007
4342182023868436404710 ~2006
434219010113026570303112 ~2009
43423597972605415878311 ~2007
Exponent Prime Factor Digits Year
4342440743868488148710 ~2006
4342790591868558118310 ~2006
4343021939868604387910 ~2006
4343223011868644602310 ~2006
43433463412606007804711 ~2007
4343485631868697126310 ~2006
4343720063868744012710 ~2006
4343728211868745642310 ~2006
4343741939868748387910 ~2006
4343898563868779712710 ~2006
4343913131868782626310 ~2006
4343930543868786108710 ~2006
4344031019868806203910 ~2006
4344202979868840595910 ~2006
4344555443868911088710 ~2006
43445630873475650469711 ~2008
4344736463868947292710 ~2006
43449691994344969199111 ~2008
4345163939869032787910 ~2006
4345498043869099608710 ~2006
4345524119869104823910 ~2006
4346069999869213999910 ~2006
43461747194346174719111 ~2008
4346194019869238803910 ~2006
43463435873477074869711 ~2008
Exponent Prime Factor Digits Year
4346452091869290418310 ~2006
43467536114346753611111 ~2008
4346910083869382016710 ~2006
43469658593477572687311 ~2008
43470491172608229470311 ~2007
4347064019869412803910 ~2006
43477123673478169893711 ~2008
43481389397826650090311 ~2009
43481657932608899475911 ~2007
43481805173478544413711 ~2008
4348201703869640340710 ~2006
43484489594348448959111 ~2008
43484901893478792151311 ~2008
43484992572609099554311 ~2007
4348510811869702162310 ~2006
43485959834348595983111 ~2008
4348743383869748676710 ~2006
43494465532609667931911 ~2007
434963466117398538644112 ~2009
43497184673479774773711 ~2008
4349788763869957752710 ~2006
43498591612609915496711 ~2007
4349916491869983298310 ~2006
4349919383869983876710 ~2006
4349944811869988962310 ~2006
4211
GIMPS The Prime Pages FactorDb.com
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25-09-07