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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
55775662791115513255911 ~2007
55777574178924411867311 ~2009
55778592231115571844711 ~2007
55778713613346722816711 ~2008
55780338195578033819111 ~2009
55783655991115673119911 ~2007
55784084991115681699911 ~2007
55785126831115702536711 ~2007
55790165115579016511111 ~2009
55790834631115816692711 ~2007
55792730991115854619911 ~2007
557934548921201512858312 ~2010
55793460111115869202311 ~2007
55793764938927002388911 ~2009
55796086911115921738311 ~2007
55796573511115931470311 ~2007
55806978231116139564711 ~2007
55807537911116150758311 ~2007
55813308711116266174311 ~2007
55814636213348878172711 ~2008
55816019391116320387911 ~2007
55816612191116332243911 ~2007
55820363031116407260711 ~2007
55820527791116410555911 ~2007
55821716533349302991911 ~2008
Exponent Prime Factor Dig. Year
55822152831116443056711 ~2007
55823877111116477542311 ~2007
55825972431116519448711 ~2007
55826200191116524003911 ~2007
55826310231116526204711 ~2007
55826980911116539618311 ~2007
55830542991116610859911 ~2007
55831670118933067217711 ~2009
55832288031116645760711 ~2007
558350853122334034124112 ~2010
558379689110050834403912 ~2009
55841752311116835046311 ~2007
55846696311116933926311 ~2007
558469271313403262511312 ~2010
55850521133351031267911 ~2008
55852387791117047755911 ~2007
55853420991117068419911 ~2007
55855669911117113398311 ~2007
55859444991117188899911 ~2007
55860107511117202150311 ~2007
55867167013352030020711 ~2008
55867679933352060795911 ~2008
55873570191117471403911 ~2007
558765982912292851623912 ~2010
558766389743583778396712 ~2011
Exponent Prime Factor Dig. Year
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
55913491191118269823911 ~2007
55914046911118280938311 ~2007
55915653591118313071911 ~2007
55917837773355070266311 ~2008
55920847911118416958311 ~2007
55925565831118511316711 ~2007
55926365031118527300711 ~2007
55932560991118651219911 ~2007
55934806191118696123911 ~2007
Exponent Prime Factor Dig. Year
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
55971363711119427274311 ~2007
55972390191119447803911 ~2007
55975942573358556554311 ~2008
55978064814478245184911 ~2009
55978544391119570887911 ~2007
55979917791119598355911 ~2007
55979969814478397584911 ~2009
55981722591119634451911 ~2007
55981984911119639698311 ~2007
55983645591119672911911 ~2007
4146
GIMPS The Prime Pages FactorDb.com
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25-06-01