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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
55855669911117113398311 ~2007
55859444991117188899911 ~2007
55860107511117202150311 ~2007
55867167013352030020711 ~2008
55867657875586765787111 ~2009
55867679933352060795911 ~2008
55873570191117471403911 ~2007
558765982912292851623912 ~2010
558766389743583778396712 ~2011
55878870591117577411911 ~2007
55880673111117613462311 ~2007
55884078591117681571911 ~2007
55884317631117686352711 ~2007
55891531038942644964911 ~2009
55892078214471366256911 ~2009
55894490813353669448711 ~2008
55896823133353809387911 ~2008
558981823313415563759312 ~2010
55900577413354034644711 ~2008
55901481591118029631911 ~2007
55902666831118053336711 ~2007
55903569831118071396711 ~2007
55907812333354468739911 ~2008
559124427739138709939112 ~2011
55913133231118262664711 ~2007
Exponent Prime Factor Dig. Year
55913491191118269823911 ~2007
55914046911118280938311 ~2007
55915653591118313071911 ~2007
55917837773355070266311 ~2008
55920847911118416958311 ~2007
55925565831118511316711 ~2007
55926365031118527300711 ~2007
55932560991118651219911 ~2007
55933661991118673239911 ~2007
55934806191118696123911 ~2007
55939215138950274420911 ~2009
55941569773356494186311 ~2008
55946092911118921858311 ~2007
559483452710070702148712 ~2009
559512490731332699479312 ~2011
55951418031119028360711 ~2007
55951462818952234049711 ~2009
55955544231119110884711 ~2007
55958200311119164006311 ~2007
55959519413357571164711 ~2008
55960549995596054999111 ~2009
55961522391119230447911 ~2007
55961734311119234686311 ~2007
55967068311119341366311 ~2007
55970702031119414040711 ~2007
Exponent Prime Factor Dig. Year
55971363711119427274311 ~2007
55972390191119447803911 ~2007
55975942573358556554311 ~2008
55978064814478245184911 ~2009
55978544391119570887911 ~2007
55979917791119598355911 ~2007
55979969814478397584911 ~2009
55981722591119634451911 ~2007
55981984911119639698311 ~2007
55983645591119672911911 ~2007
55986551511119731030311 ~2007
55987934631119758692711 ~2007
55988132991119762659911 ~2007
55991647431119832948711 ~2007
55994143911119882878311 ~2007
55998044991119960899911 ~2007
560008536710080153660712 ~2009
56002484631120049692711 ~2007
56010182391120203647911 ~2007
56015937711120318754311 ~2007
56016070573360964234311 ~2008
56017540191120350803911 ~2007
560187603739213132259112 ~2011
56018959191120379183911 ~2007
56019674937842754490311 ~2009
Exponent Prime Factor Dig. Year
56021291991120425839911 ~2007
56022484191120449683911 ~2007
56025524413361531464711 ~2008
56028559314482284744911 ~2009
56030816991120616339911 ~2007
56031077391120621547911 ~2007
56031459591120629191911 ~2007
56032691631120653832711 ~2007
56033205533361992331911 ~2008
56033994414482719552911 ~2009
56034973278965595723311 ~2009
56036011311120720226311 ~2007
56036819391120736387911 ~2007
56040059213362403552711 ~2008
56040944391120818887911 ~2007
56042476875604247687111 ~2009
56042556594483404527311 ~2009
56045692191120913843911 ~2007
56047068231120941364711 ~2007
56047177911120943558311 ~2007
56047465791120949315911 ~2007
56049094638967855140911 ~2009
560527636117936884355312 ~2010
56056878231121137564711 ~2007
56058399373363503962311 ~2008
4296
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25-09-07