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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
66317320431326346408711 ~2008
66317703111326354062311 ~2008
663197521938465456270312 ~2011
66322733391326454667911 ~2008
66325505631326510112711 ~2008
663261169111938701043912 ~2010
66326476911326529538311 ~2008
663265897926530635916112 ~2011
66326726031326534520711 ~2008
66331349511326626990311 ~2008
66335484373980129062311 ~2009
66336382813980182968711 ~2009
66338123031326762460711 ~2008
66338840116633884011111 ~2009
66341789813980507388711 ~2009
66343141911326862838311 ~2008
66345709791326914195911 ~2008
66347003773980820226311 ~2009
66348195676634819567111 ~2009
66348663231326973264711 ~2008
66351980511327039610311 ~2008
66353150031327063000711 ~2008
66353426991327068539911 ~2008
66355072315308405784911 ~2009
66355663311327113266311 ~2008
Exponent Prime Factor Dig. Year
66355668231327113364711 ~2008
66355750613981345036711 ~2009
66356219031327124380711 ~2008
66361762431327235248711 ~2008
66365756631327315132711 ~2008
66368381933982102915911 ~2009
663698116125220528411912 ~2011
66369891711327397834311 ~2008
66370114311327402286311 ~2008
66370122295309609783311 ~2009
66370422711327408454311 ~2008
66373135311327462706311 ~2008
66377607111327552142311 ~2008
66379248899293094844711 ~2010
66383777695310702215311 ~2009
66388658391327773167911 ~2008
66394192191327883843911 ~2008
66394719591327894391911 ~2008
66399024111327980482311 ~2008
66399158511327983170311 ~2008
664035476953122838152112 ~2012
66403648311328072966311 ~2008
66404427711328088554311 ~2008
66404578495312366279311 ~2009
66409402975312752237711 ~2009
Exponent Prime Factor Dig. Year
66409858431328197168711 ~2008
66411463195312917055311 ~2009
66412351311328247026311 ~2008
66412917591328258351911 ~2008
66414647991328292959911 ~2008
66415642213984938532711 ~2009
66418552495313484199311 ~2009
664236906731883371521712 ~2011
66423868191328477363911 ~2008
66431898013985913880711 ~2009
66433512711328670254311 ~2008
66433842773986030566311 ~2009
66434363991328687279911 ~2008
66434594631328691892711 ~2008
66434768173986086090311 ~2009
66435468796643546879111 ~2009
66439564911328791298311 ~2008
664405819111959304743912 ~2010
66443925711328878514311 ~2008
66444721191328894423911 ~2008
66451566436645156643111 ~2009
66452231631329044632711 ~2008
66454746111329094922311 ~2008
66456472996645647299111 ~2009
66457499631329149992711 ~2008
Exponent Prime Factor Dig. Year
66466632231329332644711 ~2008
66467116191329342323911 ~2008
66467820711329356414311 ~2008
66468347695317467815311 ~2009
66470403111329408062311 ~2008
66475440115318035208911 ~2009
66475512711329510254311 ~2008
66478051133988683067911 ~2009
66478722711329574454311 ~2008
66480160311329603206311 ~2008
66481622991329632459911 ~2008
66482142711329642854311 ~2008
66483099711329661994311 ~2008
66484662111329693242311 ~2008
66489082191329781643911 ~2008
66491268111329825362311 ~2008
66491892413989513544711 ~2009
66494069991329881399911 ~2008
66494234631329884692711 ~2008
66497905311329958106311 ~2008
664982695911969688526312 ~2010
66500721373990043282311 ~2009
66501867591330037351911 ~2008
66501941631330038832711 ~2008
66502651311330053026311 ~2008
4440
GIMPS The Prime Pages FactorDb.com
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25-11-02