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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
55333406991106668139911 ~2007
55333971831106679436711 ~2007
55335797595533579759111 ~2009
55335973791106719475911 ~2007
55337017911106740358311 ~2007
55339183431106783668711 ~2007
55341127333320467639911 ~2008
55342531573320551894311 ~2008
55343789631106875792711 ~2007
55344561111106891222311 ~2007
55345100991106902019911 ~2007
55346411631106928232711 ~2007
55347386418855581825711 ~2009
55349512911106990258311 ~2007
55355009813321300588711 ~2008
55355423391107108467911 ~2007
55356163431107123268711 ~2007
55357143111107142862311 ~2007
55357537911107150758311 ~2007
55358533911107170678311 ~2007
55360290018857646401711 ~2009
55360600914428848072911 ~2009
55360830897750516324711 ~2009
55363279431107265588711 ~2007
55366476733321988603911 ~2008
Exponent Prime Factor Dig. Year
55366762311107335246311 ~2007
55371803031107436060711 ~2007
55374428031107488560711 ~2007
55376892075537689207111 ~2009
55377912013322674720711 ~2008
55378915515537891551111 ~2009
55381349631107626992711 ~2007
55381472694430517815311 ~2009
55381632711107632654311 ~2007
55381733391107634667911 ~2007
55385509431107710188711 ~2007
553878514117724112451312 ~2010
55391376831107827536711 ~2007
55394404791107888095911 ~2007
55399010391107980207911 ~2007
55399067879971832216711 ~2009
55399210911107984218311 ~2007
55399290711107985814311 ~2007
554043260913297038261712 ~2010
55411288911108225778311 ~2007
55414868933324892135911 ~2008
55415462991108309259911 ~2007
55416772791108335455911 ~2007
55417929111108358582311 ~2007
55418170911108363418311 ~2007
Exponent Prime Factor Dig. Year
55418791278867006603311 ~2009
55421413995542141399111 ~2009
55422324973325339498311 ~2008
554250120713302002896912 ~2010
55425055431108501108711 ~2007
55425643431108512868711 ~2007
55425774591108515491911 ~2007
554273544122170941764112 ~2010
55427410191108548203911 ~2007
55427656911108553138311 ~2007
55428167031108563340711 ~2007
55428303831108566076711 ~2007
55428714177760019983911 ~2009
55430573631108611472711 ~2007
55431362333325881739911 ~2008
55438796511108775930311 ~2007
55439170911108783418311 ~2007
554398812718849559631912 ~2010
55442550111108851002311 ~2007
55443798711108875974311 ~2007
55445494431108909888711 ~2007
55445504631108910092711 ~2007
55447416591108948331911 ~2007
55449588231108991764711 ~2007
55450462191109009243911 ~2007
Exponent Prime Factor Dig. Year
55450540191109010803911 ~2007
554508575927725428795112 ~2011
55453265118872522417711 ~2009
55454079973327244798311 ~2008
55454491911109089838311 ~2007
55455022191109100443911 ~2007
55455334431109106688711 ~2007
55459843431109196868711 ~2007
55461969831109239396711 ~2007
55462566435546256643111 ~2009
55462983111109259662311 ~2007
55463114991109262299911 ~2007
554635996943261607758312 ~2011
55463646438874183428911 ~2009
55464293631109285872711 ~2007
55465970991109319419911 ~2007
55466099511109321990311 ~2007
55467843711109356874311 ~2007
55468678578874988571311 ~2009
55469109831109382196711 ~2007
55469154594437532367311 ~2009
55470984111109419682311 ~2007
55471408213328284492711 ~2008
55474402431109488048711 ~2007
55475600991109512019911 ~2007
4293
GIMPS The Prime Pages FactorDb.com
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25-09-07