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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
67288148215383051856911 ~2009
67288623231345772464711 ~2008
67289017431345780348711 ~2008
67291822791345836455911 ~2008
67294329591345886591911 ~2008
67295956431345919128711 ~2008
67303404111346068082311 ~2008
67314334974038860098311 ~2009
67316216511346324330311 ~2008
67316621391346332427911 ~2008
67318626711346372534311 ~2008
67320027591346400551911 ~2008
67323296214039397772711 ~2009
67323476631346469532711 ~2008
67326323031346526460711 ~2008
67329037195386322975311 ~2009
67335968391346719367911 ~2008
673369092710773905483312 ~2010
67343460111346869202311 ~2008
67343896311346877926311 ~2008
67346570031346931400711 ~2008
67350878391347017567911 ~2008
673598514132332728676912 ~2011
67360053591347201071911 ~2008
67361441534041686491911 ~2009
Exponent Prime Factor Dig. Year
67368427431347368548711 ~2008
67373748831347474976711 ~2008
67375390791347507815911 ~2008
673770149912127862698312 ~2010
67378213315390257064911 ~2009
67389688911347793778311 ~2008
673901919730999488306312 ~2011
67393049631347860992711 ~2008
67395391396739539139111 ~2009
67395888115391671048911 ~2009
67403461431348069228711 ~2008
67403497191348069943911 ~2008
67405753791348115075911 ~2008
67407973791348159475911 ~2008
67408296175392663693711 ~2009
67409907591348198151911 ~2008
67417095111348341902311 ~2008
67417791711348355834311 ~2008
67418286231348365724711 ~2008
67418372991348367459911 ~2008
67419326631348386532711 ~2008
67420933134045255987911 ~2009
67421155934045269355911 ~2009
67421717391348434347911 ~2008
67423698595393895887311 ~2009
Exponent Prime Factor Dig. Year
67434184311348683686311 ~2008
67434665631348693312711 ~2008
67437338031348746760711 ~2008
67442712231348854244711 ~2008
67443711134046622667911 ~2009
67445971311348919426311 ~2008
67447338475395787077711 ~2009
67451028831349020576711 ~2008
67451670831349033416711 ~2008
67452980991349059619911 ~2008
67453314711349066294311 ~2008
67455690231349113804711 ~2008
67456205934047372355911 ~2009
674599959159364796400912 ~2012
67462054191349241083911 ~2008
67467560631349351212711 ~2008
67471164711349423294311 ~2008
67472284311349445686311 ~2008
67474469631349489392711 ~2008
67481513391349630267911 ~2008
67483074591349661491911 ~2008
67491599814049495988711 ~2009
67495714431349914288711 ~2008
67495968715399677496911 ~2009
67498302591349966051911 ~2008
Exponent Prime Factor Dig. Year
67498732814049923968711 ~2009
675009354710800149675312 ~2010
67501203231350024064711 ~2008
67503545031350070900711 ~2008
67503888111350077762311 ~2008
67505135574050308134311 ~2009
67505659311350113186311 ~2008
67505766414050345984711 ~2009
675100297716202407144912 ~2010
67511439231350228784711 ~2008
67513392115401071368911 ~2009
67521191334051271479911 ~2009
67521286791350425735911 ~2008
67522109814051326588711 ~2009
67523269431350465388711 ~2008
67527539511350550790311 ~2008
67532394111350647882311 ~2008
67535815614052148936711 ~2009
67538050431350761008711 ~2008
67538591631350771832711 ~2008
67538794911350775898311 ~2008
67541827911350836558311 ~2008
67543069431350861388711 ~2008
67547871831350957436711 ~2008
67551609831351032196711 ~2008
4206
GIMPS The Prime Pages FactorDb.com
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25-06-01