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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
55249732431104994648711 ~2007
552502688916575080667112 ~2010
55250478831105009576711 ~2007
55251207915525120791111 ~2009
55252493511105049870311 ~2007
55252908111105058162311 ~2007
55253469231105069384711 ~2007
55255682031105113640711 ~2007
55256870991105137419911 ~2007
55258337511105166750311 ~2007
55259174991105183499911 ~2007
552594224956364610939912 ~2011
55260143835526014383111 ~2009
55260195111105203902311 ~2007
55263197031105263940711 ~2007
55267584831105351696711 ~2007
55267954791105359095911 ~2007
55268225991105364519911 ~2007
55274079133316444747911 ~2008
55274438991105488779911 ~2007
55279470831105589416711 ~2007
55281230631105624612711 ~2007
552821890349753970127112 ~2011
55282912911105658258311 ~2007
55286873031105737460711 ~2007
Exponent Prime Factor Dig. Year
55288882431105777648711 ~2007
55289057991105781159911 ~2007
55290957111105819142311 ~2007
55292155791105843115911 ~2007
55292413791105848275911 ~2007
55293017031105860340711 ~2007
55293163613317589816711 ~2008
55296064431105921288711 ~2007
55297231191105944623911 ~2007
55297405191105948103911 ~2007
553007958713272191008912 ~2010
55302455511106049110311 ~2007
55304435595530443559111 ~2009
55307830311106156606311 ~2007
55309106991106182139911 ~2007
55309468911106189378311 ~2007
55313284573318797074311 ~2008
55316108391106322167911 ~2007
55317053573319023214311 ~2008
553183891130978297901712 ~2011
553216630727660831535112 ~2011
55324079835532407983111 ~2009
55324987919958497823911 ~2009
55325353311106507066311 ~2007
55326277311106525546311 ~2007
Exponent Prime Factor Dig. Year
55326447231106528944711 ~2007
55332633111106652662311 ~2007
55332650991106653019911 ~2007
55333406991106668139911 ~2007
55333971831106679436711 ~2007
55335797595533579759111 ~2009
55335973791106719475911 ~2007
55337017911106740358311 ~2007
55339183431106783668711 ~2007
55341127333320467639911 ~2008
55342531573320551894311 ~2008
55343789631106875792711 ~2007
55344561111106891222311 ~2007
55345100991106902019911 ~2007
55346411631106928232711 ~2007
55347386418855581825711 ~2009
55349512911106990258311 ~2007
55355009813321300588711 ~2008
55355423391107108467911 ~2007
55356163431107123268711 ~2007
55357143111107142862311 ~2007
55357537911107150758311 ~2007
55358533911107170678311 ~2007
55360290018857646401711 ~2009
55360600914428848072911 ~2009
Exponent Prime Factor Dig. Year
55360830897750516324711 ~2009
55363279431107265588711 ~2007
55366476733321988603911 ~2008
55366762311107335246311 ~2007
55371803031107436060711 ~2007
55374428031107488560711 ~2007
55376892075537689207111 ~2009
55377912013322674720711 ~2008
55378915515537891551111 ~2009
55381349631107626992711 ~2007
55381472694430517815311 ~2009
55381632711107632654311 ~2007
55381733391107634667911 ~2007
55385509431107710188711 ~2007
553878514117724112451312 ~2010
55391376831107827536711 ~2007
55394404791107888095911 ~2007
55399010391107980207911 ~2007
55399067879971832216711 ~2009
55399210911107984218311 ~2007
55399290711107985814311 ~2007
554043260913297038261712 ~2010
55414868933324892135911 ~2008
55415462991108309259911 ~2007
55416772791108335455911 ~2007
4143
GIMPS The Prime Pages FactorDb.com
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25-06-01