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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
52378574813142714488711 ~2008
52380719031047614380711 ~2007
52383847733143030863911 ~2008
52387890474191031237711 ~2008
52392045773143522746311 ~2008
52394231574191538525711 ~2008
52396485591047929711911 ~2007
52397277231047945544711 ~2007
52398519711047970394311 ~2007
52398704391047974087911 ~2007
52400098431048001968711 ~2007
52401580431048031608711 ~2007
52402491714192199336911 ~2008
52403229591048064591911 ~2007
524044987312577079695312 ~2010
52407276173144436570311 ~2008
52407646311048152926311 ~2007
52407938511048158770311 ~2007
52408426431048168528711 ~2007
524166544915724996347112 ~2010
52416999591048339991911 ~2007
52418136714193450936911 ~2008
52418228631048364572711 ~2007
52418436111048368722311 ~2007
52422411711048448234311 ~2007
Exponent Prime Factor Dig. Year
52423688991048473779911 ~2007
52424183173145450990311 ~2008
52425209631048504192711 ~2007
52426819573145609174311 ~2008
52427981991048559639911 ~2007
52428780733145726843911 ~2008
524345081328314634390312 ~2010
52436192391048723847911 ~2007
52438933791048778675911 ~2007
52439715474195177237711 ~2008
52441824831048836496711 ~2007
52441911711048838234311 ~2007
52442406378390785019311 ~2009
52442608911048852178311 ~2007
52443269094195461527311 ~2008
52443652573146619154311 ~2008
52444435311048888706311 ~2007
52444694031048893880711 ~2007
52450890711049017814311 ~2007
52451619231049032384711 ~2007
52454596431049091928711 ~2007
52460935613147656136711 ~2008
52461426231049228524711 ~2007
52466161311049323226311 ~2007
52467368991049347379911 ~2007
Exponent Prime Factor Dig. Year
52467522711049350454311 ~2007
52467971031049359420711 ~2007
52467971631049359432711 ~2007
52469803279444564588711 ~2009
52472537991049450759911 ~2007
52473179631049463592711 ~2007
52474601031049492020711 ~2007
52476723591049534471911 ~2007
52477187391049543747911 ~2007
52479526311049590526311 ~2007
52479577791049591555911 ~2007
52480603791049612075911 ~2007
52481251431049625028711 ~2007
524832667311546318680712 ~2009
52487224635248722463111 ~2009
52487547894199003831311 ~2008
52488287031049765740711 ~2007
52489299711049785994311 ~2007
52489772031049795440711 ~2007
52490926791049818535911 ~2007
52493390991049867819911 ~2007
52497801773149868106311 ~2008
52497834711049956694311 ~2007
52498048311049960966311 ~2007
52500086391050001727911 ~2007
Exponent Prime Factor Dig. Year
52500265213150015912711 ~2008
52500481191050009623911 ~2007
52500874311050017486311 ~2007
52503749394200299951311 ~2008
52504777515250477751111 ~2009
52505238711050104774311 ~2007
52507502991050150059911 ~2007
52507551973150453118311 ~2008
52507643031050152860711 ~2007
52508178231050163564711 ~2007
52508353333150501199911 ~2008
52510594791050211895911 ~2007
52510795791050215915911 ~2007
52512298813150737928711 ~2008
52513150311050263006311 ~2007
52516210573150972634311 ~2008
52517068578402730971311 ~2009
52518810231050376204711 ~2007
52519393911050387878311 ~2007
52521940431050438808711 ~2007
52523312991050466259911 ~2007
52525496991050509939911 ~2007
52525689111050513782311 ~2007
52528067391050561347911 ~2007
52528984813151739088711 ~2008
4275
GIMPS The Prime Pages FactorDb.com
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25-09-07