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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
64653050391293061007911 ~2008
64656658133879399487911 ~2009
64661302431293226048711 ~2008
646616084919398482547112 ~2011
64663958391293279167911 ~2008
64665839991293316799911 ~2008
64667966031293359320711 ~2008
64672809179054193283911 ~2010
646816102715523586464912 ~2010
64685480391293709607911 ~2008
64688875311293777506311 ~2008
64688924991293778499911 ~2008
64690023111293800462311 ~2008
64691832711293836654311 ~2008
64695562311293911246311 ~2008
64695869991293917399911 ~2008
64698928791293978575911 ~2008
646993421336231631592912 ~2011
64699660495175972839311 ~2009
64702005715176160456911 ~2009
64703057631294061152711 ~2008
64706343895176507511311 ~2009
64709659933882579595911 ~2009
64715465631294309312711 ~2008
64716665991294333319911 ~2008
Exponent Prime Factor Dig. Year
64719823431294396468711 ~2008
64723149111294462982311 ~2008
64723255431294465108711 ~2008
64725620515178049640911 ~2009
64729331511294586630311 ~2008
64730500791294610015911 ~2008
64731897111294637942311 ~2008
647322794919419683847112 ~2011
64732814391294656287911 ~2008
64733604231294672084711 ~2008
64733746191294674923911 ~2008
647359132934957393176712 ~2011
64736574733884194483911 ~2009
64738457391294769147911 ~2008
64738531431294770628711 ~2008
64739879631294797592711 ~2008
64741527175179322173711 ~2009
64741700511294834010311 ~2008
64742894413884573664711 ~2009
64744523991294890479911 ~2008
64747165191294943303911 ~2008
64747582191294951643911 ~2008
64748605431294972108711 ~2008
64748676831294973536711 ~2008
64752511431295050228711 ~2008
Exponent Prime Factor Dig. Year
64754911613885294696711 ~2009
647560929729787802766312 ~2011
64761816831295236336711 ~2008
64761946431295238928711 ~2008
64762940933885776455911 ~2009
64767347391295346947911 ~2008
64768845231295376904711 ~2008
64783623111295672462311 ~2008
647892115911662058086312 ~2010
64791645133887498707911 ~2009
64793409111295868182311 ~2008
64794048591295880971911 ~2008
64795253991295905079911 ~2008
64795702311295914046311 ~2008
64796146791295922935911 ~2008
64796598591295931971911 ~2008
64798212676479821267111 ~2009
64799291991295985839911 ~2008
64803677031296073540711 ~2008
648050249911664904498312 ~2010
64805913111296118262311 ~2008
64806530991296130619911 ~2008
64807225795184578063311 ~2009
64807579311296151586311 ~2008
64808260911296165218311 ~2008
Exponent Prime Factor Dig. Year
64809911173888594670311 ~2009
64810049031296200980711 ~2008
64811397111296227942311 ~2008
64814038431296280768711 ~2008
64816424391296328487911 ~2008
64817016591296340331911 ~2008
64817346831296346936711 ~2008
64818567231296371344711 ~2008
648228764915557490357712 ~2010
64824646791296492935911 ~2008
64824696415185975712911 ~2009
64828851591296577031911 ~2008
64829107615186328608911 ~2009
648291654710372666475312 ~2010
64829291511296585830311 ~2008
64831963733889917823911 ~2009
64833593813890015628711 ~2009
64834818831296696376711 ~2008
64837679031296753580711 ~2008
64837951333890277079911 ~2009
64844802831296896056711 ~2008
64845885973890753158311 ~2009
64846660499078532468711 ~2010
648498242920751943772912 ~2011
64851022431297020448711 ~2008
4237
GIMPS The Prime Pages FactorDb.com
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25-06-29