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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
99195568911983911378311 ~2009
99196903015951814180711 ~2010
99199928991983998579911 ~2009
992003291917856059254312 ~2011
99207873231984157464711 ~2009
99208168911984163378311 ~2009
99218666391984373327911 ~2009
99221653431984433068711 ~2009
99223052031984461040711 ~2009
99223295511984465910311 ~2009
99223821919922382191111 ~2011
99226243815953574628711 ~2010
99228613797938289103311 ~2011
99228991279922899127111 ~2011
99229834311984596686311 ~2009
992306215755569148079312 ~2013
99236176815954170608711 ~2010
99237518215954251092711 ~2010
992451731323818841551312 ~2012
99245712711984914254311 ~2009
99248677791984973555911 ~2009
99250706511985014130311 ~2009
99262841631985256832711 ~2009
99266061711985321234311 ~2009
99266672031985333440711 ~2009
Exponent Prime Factor Dig. Year
99270514791985410295911 ~2009
99271629231985432584711 ~2009
99273615111985472302311 ~2009
99275866735956552003911 ~2010
99277808991985556179911 ~2009
99282511431985650228711 ~2009
99283993191985679863911 ~2009
99284622591985692451911 ~2009
99286046631985720932711 ~2009
992865735723828777656912 ~2012
99290898831985817976711 ~2009
99293164135957589847911 ~2010
99298927431985978548711 ~2009
993046975315888751604912 ~2011
99310583631986211672711 ~2009
993130340913903824772712 ~2011
99314294391986285887911 ~2009
99317633391986352667911 ~2009
99319774917945581992911 ~2011
99320074335959204459911 ~2010
99324776031986495520711 ~2009
99328477911986569558311 ~2009
99328651335959719079911 ~2010
99329362575959761754311 ~2010
99329904711986598094311 ~2009
Exponent Prime Factor Dig. Year
99331375311986627506311 ~2009
99332035735959922143911 ~2010
99333966919933396691111 ~2011
99340308111986806162311 ~2009
993410904121855039890312 ~2012
99342958077947436645711 ~2011
993461200323843068807312 ~2012
99353849511987076990311 ~2009
99353989815961239388711 ~2010
99360224031987204480711 ~2009
99362665791987253315911 ~2009
99363174831987263496711 ~2009
99369622911987392458311 ~2009
99373398297949871863311 ~2011
99373929111987478582311 ~2009
99375639591987512791911 ~2009
99378868791987577375911 ~2009
99381596631987631932711 ~2009
99381941511987638830311 ~2009
99383726511987674530311 ~2009
993863698939754547956112 ~2012
99388834911987776698311 ~2009
99394386231987887724711 ~2009
99394799991987895999911 ~2009
993951643713915323011912 ~2011
Exponent Prime Factor Dig. Year
99398958591987979171911 ~2009
99399672231987993444711 ~2009
99404967711988099354311 ~2009
99408569215964514152711 ~2010
99410880615964652836711 ~2010
99412204911988244098311 ~2009
99414335631988286712711 ~2009
99419611431988392228711 ~2009
99421173717953693896911 ~2011
994261172979540893832112 ~2013
99426590031988531800711 ~2009
99436061631988721232711 ~2009
99441925911988838518311 ~2009
99444670791988893415911 ~2009
99453474111989069482311 ~2009
99454444191989088883911 ~2009
99456845031989136900711 ~2009
99456974517956557960911 ~2011
99457027735967421663911 ~2010
99458720031989174400711 ~2009
99461475111989229502311 ~2009
99465966591989319331911 ~2009
99466410111989328202311 ~2009
99469324191989386483911 ~2009
99470296617957623728911 ~2011
4278
GIMPS The Prime Pages FactorDb.com
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25-05-04