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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
2645414635290829279 ~1997
2645467915290935839 ~1997
2645489395290978799 ~1997
264549751476189551910 ~1999
2645498995290997999 ~1997
2645535715291071439 ~1997
264558053158734831910 ~1998
264583807423334091310 ~1999
2645969635291939279 ~1997
2645976115291952239 ~1997
264599711211679768910 ~1998
2646062995292125999 ~1997
2646087595292175199 ~1997
264615977370462367910 ~1999
264617201211693760910 ~1998
2646181435292362879 ~1997
2646214435292428879 ~1997
264625013158775007910 ~1998
2646310915292621839 ~1997
2646372115292744239 ~1997
2646419395292838799 ~1997
2646479635292959279 ~1997
264648641158789184710 ~1998
2646492115292984239 ~1997
2646573595293147199 ~1997
Exponent Prime Factor Digits Year
2646595795293191599 ~1997
2646703195293406399 ~1997
2646726235293452479 ~1997
2646742435293484879 ~1997
2646913315293826639 ~1997
2646975235293950479 ~1997
2646989395293978799 ~1997
264699913158819947910 ~1998
264700091211760072910 ~1998
2647158835294317679 ~1997
264718193158830915910 ~1998
2647262635294525279 ~1997
264729163423566660910 ~1999
2647354315294708639 ~1997
2647414435294828879 ~1997
2647455835294911679 ~1997
2647479715294959439 ~1997
264748543264748543110 ~1998
2647554115295108239 ~1997
264756137158853682310 ~1998
2647566731429686034311 ~2000
264757373158854423910 ~1998
2647613515295227039 ~1997
2647615435295230879 ~1997
2647642331217915471911 ~2000
Exponent Prime Factor Digits Year
2647677311906327663311 ~2001
264768989370676584710 ~1999
2647835035295670079 ~1997
264810193158886115910 ~1998
264812971476663347910 ~1999
2648130235296260479 ~1997
2648180035296360079 ~1997
2648230435296460879 ~1997
2648232595296465199 ~1997
2648283835296567679 ~1997
2648327035296654079 ~1997
2648396995296793999 ~1997
2648451115296902239 ~1997
2648509195297018399 ~1997
2648511835297023679 ~1997
2648530795297061599 ~1997
2648573635297147279 ~1997
2648619115297238239 ~1997
264874471476774047910 ~1999
2648788915297577839 ~1997
264890677158934406310 ~1998
2648981635297963279 ~1997
2649011515298023039 ~1997
264909103635781847310 ~1999
2649161995298323999 ~1997
Exponent Prime Factor Digits Year
264918967264918967110 ~1998
2649190435298380879 ~1997
264926293158955775910 ~1998
264929453158957671910 ~1998
2649334795298669599 ~1997
264938327688839650310 ~1999
2649410035298820079 ~1997
264956221158973732710 ~1998
264956773158974063910 ~1998
2649651715299303439 ~1997
2649725635299451279 ~1997
2649737635299475279 ~1997
2649752995299505999 ~1997
2649841195299682399 ~1997
2649904315299808639 ~1997
2649932995299865999 ~1997
264998933158999359910 ~1998
2650024315300048639 ~1997
2650056595300113199 ~1997
2650094995300189999 ~1997
2650100995300201999 ~1997
2650153195300306399 ~1997
265021873159013123910 ~1998
2650243795300487599 ~1997
2650415035300830079 ~1997
2886
GIMPS The Prime Pages FactorDb.com
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25-04-13