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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
28711832096890839701711 ~2008
2871211643574242328710 ~2005
28712612512297009000911 ~2006
2871319151574263830310 ~2005
28713568214594170913711 ~2007
28713711618614113483111 ~2008
2871407183574281436710 ~2005
28714447571722866854311 ~2006
2871491951574298390310 ~2005
2871548063574309612710 ~2005
28715707875168827416711 ~2007
2871679991574335998310 ~2005
2871732863574346572710 ~2005
2871767903574353580710 ~2005
28718661411723119684711 ~2006
2871942263574388452710 ~2005
2871956471574391294310 ~2005
28719673336892721599311 ~2008
2871970511574394102310 ~2005
28719781211723186872711 ~2006
28720478392297638271311 ~2006
2872055999574411199910 ~2005
2872176479574435295910 ~2005
28722471412297797712911 ~2006
2872414619574482923910 ~2005
Exponent Prime Factor Digits Year
2872459703574491940710 ~2005
28724820772297985661711 ~2006
2872522151574504430310 ~2005
2872541279574508255910 ~2005
2872607603574521520710 ~2005
28726545792872654579111 ~2007
28727483211723648992711 ~2006
2872946519574589303910 ~2005
2872949291574589858310 ~2005
2872972439574594487910 ~2005
2873005043574601008710 ~2005
2873358263574671652710 ~2005
28734127974022777915911 ~2007
2873439911574687982310 ~2005
2873474039574694807910 ~2005
2873486279574697255910 ~2005
28735991818620797543111 ~2008
2873605643574721128710 ~2005
2873638991574727798310 ~2005
2873643791574728758310 ~2005
2873692799574738559910 ~2005
2873699663574739932710 ~2005
28737068411724224104711 ~2006
2873708303574741660710 ~2005
28737103612298968288911 ~2006
Exponent Prime Factor Digits Year
2873774483574754896710 ~2005
28738993372299119469711 ~2006
28739819531724389171911 ~2006
2874024599574804919910 ~2005
2874045599574809119910 ~2005
28741247411724474844711 ~2006
28742165812299373264911 ~2006
2874243611574848722310 ~2005
28742989931724579395911 ~2006
2874316691574863338310 ~2005
2874397811574879562310 ~2005
2874399611574879922310 ~2005
28745022971724701378311 ~2006
28745479934599276788911 ~2007
2874611699574922339910 ~2005
2874611711574922342310 ~2005
28748550892299884071311 ~2006
28748631611724917896711 ~2006
2874880499574976099910 ~2005
2874898979574979795910 ~2005
28750042811725002568711 ~2006
2875035419575007083910 ~2005
28750731892300058551311 ~2006
28754614731725276883911 ~2006
2875464563575092912710 ~2005
Exponent Prime Factor Digits Year
2875511783575102356710 ~2005
28755343976901282552911 ~2008
2875746059575149211910 ~2005
28757858115176414459911 ~2007
2875871591575174318310 ~2005
2875932011575186402310 ~2005
2875940423575188084710 ~2005
2875941791575188358310 ~2005
28759838931725590335911 ~2006
2876130563575226112710 ~2005
28761597011725695820711 ~2006
28763839971725830398311 ~2006
2876521079575304215910 ~2005
2876590439575318087910 ~2005
28766842077479378938311 ~2008
28767727331726063639911 ~2006
2876795279575359055910 ~2005
2876992199575398439910 ~2005
28770326592877032659111 ~2007
2877068303575413660710 ~2005
2877213659575442731910 ~2005
28772603592877260359111 ~2007
28773395418632018623111 ~2008
2877440999575488199910 ~2005
28776077872302086229711 ~2006
4203
GIMPS The Prime Pages FactorDb.com
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25-12-14