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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 Digits Year
22565831451316638 ~1988
22565951451319038 ~1988
22567019451340398 ~1988
22567631451352638 ~1988
22567859451357198 ~1988
22568891451377838 ~1988
22568939451378798 ~1988
22569203451384078 ~1988
22569479451389598 ~1988
225700194062603439 ~1991
22570319451406398 ~1988
22570631451412638 ~1988
22570811451416238 ~1988
22571063451421278 ~1988
22571387108342657710 ~1992
225718513611496179 ~1991
225722112257221119 ~1990
22572899451457998 ~1988
22573091451461838 ~1988
22573319451466398 ~1988
225739731354438399 ~1990
22573979451479598 ~1988
225744114063393999 ~1991
225750674063512079 ~1991
22575599451511998 ~1988
Exponent Prime Factor Digits Year
22575803451516078 ~1988
22575863126424832910 ~1992
22576979451539598 ~1988
225775632257756319 ~1990
22577939451558798 ~1988
22578851451577038 ~1988
22578971451579438 ~1988
22579079451581598 ~1988
22579153121927426310 ~1992
22579283451585678 ~1988
22579691451593838 ~1988
225797511806380099 ~1990
22580039451600798 ~1988
22580111451602238 ~1988
22580423451608478 ~1988
22580639451612798 ~1988
22581371451627438 ~1988
22581563451631278 ~1988
22581659451633198 ~1988
225820611354923679 ~1990
22583051451661038 ~1988
22583699451673998 ~1988
22583783451675678 ~1988
22583851108402484910 ~1992
225846291806770339 ~1990
Exponent Prime Factor Digits Year
22585631451712638 ~1988
22585679451713598 ~1988
22586351451727038 ~1988
22586363451727278 ~1988
225865371806922979 ~1990
22586783451735678 ~1988
22586891451737838 ~1988
22587671451753438 ~1988
225885711807085699 ~1990
22589279451785598 ~1988
225892933614286899 ~1991
22589471451789438 ~1988
22589543451790878 ~1988
22589711451794238 ~1988
22590131451802638 ~1988
22590443451808878 ~1988
22590839451816798 ~1988
22590983451819678 ~1988
22591403451828078 ~1988
22592231451844638 ~1988
22592891451857838 ~1988
225933672259336719 ~1990
22593503451870078 ~1988
225947832259478319 ~1990
22594931451898638 ~1988
Exponent Prime Factor Digits Year
225961371355768239 ~1990
22596239451924798 ~1988
22596503451930078 ~1988
225966411807731299 ~1990
22596803451936078 ~1988
22597163451943278 ~1988
225972971355837839 ~1990
225975416779262319 ~1991
225976971807815779 ~1990
22598171451963438 ~1988
225983691807869539 ~1990
225985496779564719 ~1991
22598879451977598 ~1988
225993471807947779 ~1990
225994071807952579 ~1990
22599611451992238 ~1988
226005971356035839 ~1990
22600619452012398 ~1988
22600943452018878 ~1988
226014371356086239 ~1990
226020913616334579 ~1991
22602659452053198 ~1988
22602683452053678 ~1988
22602719452054398 ~1988
22602731452054638 ~1988
1499
GIMPS The Prime Pages FactorDb.com
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25-04-13