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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
32319239646384798 ~1990
32319491646389838 ~1990
32319719646394398 ~1990
32320031646400638 ~1990
323202292585618339 ~1991
323202371939214239 ~1991
32321339646426798 ~1990
32321963646439278 ~1990
32323079646461598 ~1990
323232611939395679 ~1991
32323463646469278 ~1990
32323933206873171310 ~1993
32324423646488478 ~1990
32325311646506238 ~1990
32325323646506478 ~1990
32325851646517038 ~1990
32325911646518238 ~1990
32326043646520878 ~1990
32326139646522798 ~1990
32326223646524478 ~1990
32326499646529998 ~1990
32326883646537678 ~1990
32327051646541038 ~1990
323272011939632079 ~1991
32327279646545598 ~1990
Exponent Prime Factor Digits Year
32327783646555678 ~1990
32328239646564798 ~1990
32328911646578238 ~1990
32329151646583038 ~1990
32329343646586878 ~1990
32329439646588798 ~1990
32329859646597198 ~1990
32330279646605598 ~1990
32330351646607038 ~1990
32330843646616878 ~1990
32331683646633678 ~1990
32332103646642078 ~1990
32332523646650478 ~1990
32333771646675438 ~1990
323337731940026399 ~1991
32333783646675678 ~1990
32334311646686238 ~1990
323345931940075599 ~1991
32334683291012147110 ~1994
32334899646697998 ~1990
32335403646708078 ~1990
32335643646712878 ~1990
32335931646718638 ~1990
32336231646724638 ~1990
323367011940202079 ~1991
Exponent Prime Factor Digits Year
32337191646743838 ~1990
32338739646774798 ~1990
32338763646775278 ~1990
323388292587106339 ~1991
32339819646796398 ~1990
32340551646811038 ~1990
32341079646821598 ~1990
32341223646824478 ~1990
32342111646842238 ~1990
32342171646843438 ~1990
32342339646846798 ~1990
32342543646850878 ~1990
32343119646862398 ~1990
323431211940587279 ~1991
32343539646870798 ~1990
32343959646879198 ~1990
32344703646894078 ~1990
323449273234492719 ~1991
323452273234522719 ~1991
32345591646911838 ~1990
32345783646915678 ~1990
32346311646926238 ~1990
32346719646934398 ~1990
32346959646939198 ~1990
32347643646952878 ~1990
Exponent Prime Factor Digits Year
323479937763518339 ~1992
323480531940883199 ~1991
32348363646967278 ~1990
32349491646989838 ~1990
32349851646997038 ~1990
32349923646998478 ~1990
32350091647001838 ~1990
32350151647003038 ~1990
32350403647008078 ~1990
32350751647015038 ~1990
323509912588079299 ~1991
32351303647026078 ~1990
32351339647026798 ~1990
323513771941082639 ~1991
32352851647057038 ~1990
32353511647070238 ~1990
32353943647078878 ~1990
32354279647085598 ~1990
32354291647085838 ~1990
323544894529628479 ~1992
323549574529693999 ~1992
323551019706530319 ~1993
32355959647119198 ~1990
32356391647127838 ~1990
32356979647139598 ~1990
1806
GIMPS The Prime Pages FactorDb.com
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25-06-08