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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
24890951497819038 ~1989
24891143497822878 ~1989
24891239497824798 ~1989
24891299497825998 ~1989
24891563497831278 ~1989
24891959497839198 ~1989
248920575974093699 ~1991
24892079497841598 ~1989
24892691497853838 ~1989
24892943497858878 ~1989
24893399497867998 ~1989
2489346712033501947912 ~1997
24894263497885278 ~1989
24895163497903278 ~1989
248953973485355599 ~1991
24895631497912638 ~1989
248960171493761039 ~1990
24896303497926078 ~1989
24896519497930398 ~1989
24896639497932798 ~1989
24897539497950798 ~1989
248988799959551619 ~1992
24899051497981038 ~1989
24899183497983678 ~1989
249005211494031279 ~1990
Exponent Prime Factor Digits Year
249008931494053599 ~1990
249024891992199139 ~1990
24902833114553031910 ~1992
249029211992233699 ~1990
249029472490294719 ~1990
249032091992256739 ~1990
24903383498067678 ~1989
24903743498074878 ~1989
24903839498076798 ~1989
24903863498077278 ~1989
249039615478871439 ~1991
24904349552876547910 ~1994
24904559498091198 ~1989
24904619498092398 ~1989
24904703498094078 ~1989
24904739498094798 ~1989
24905123498102478 ~1989
249055373486775199 ~1991
24907163498143278 ~1989
249078015479716239 ~1991
24908063498161278 ~1989
24908231498164638 ~1989
24908951498179038 ~1989
24909971498199438 ~1989
249099792490997919 ~1990
Exponent Prime Factor Digits Year
24910163498203278 ~1989
24910283498205678 ~1989
249105535978532739 ~1991
24911279498225598 ~1989
24911531498230638 ~1989
24911543498230878 ~1989
24911591498231838 ~1989
24911951498239038 ~1989
24911963498239278 ~1989
24912983498259678 ~1989
249136215480996639 ~1991
24913919498278398 ~1989
24914003498280078 ~1989
24914423498288478 ~1989
249145813986332979 ~1991
249147531494885199 ~1990
24915563498311278 ~1989
24915623498312478 ~1989
24916091498321838 ~1989
24916403498328078 ~1989
249170232491702319 ~1990
24917603498352078 ~1989
24920663498413278 ~1989
24920783498415678 ~1989
249208435981002339 ~1991
Exponent Prime Factor Digits Year
24920939498418798 ~1989
24921899498437998 ~1989
24921971498439438 ~1989
24922511498450238 ~1989
249228971495373839 ~1990
249229211495375279 ~1990
24923663498473278 ~1989
24923711498474238 ~1989
24924239498484798 ~1989
24924671498493438 ~1989
24924923498498478 ~1989
24925091498501838 ~1989
24925151498503038 ~1989
24925223498504478 ~1989
24925259498505198 ~1989
24925319498506398 ~1989
24925559498511198 ~1989
24925811498516238 ~1989
24926171498523438 ~1989
249263333489686639 ~1991
24926663498533278 ~1989
24926771498535438 ~1989
24927263498545278 ~1989
249280392492803919 ~1990
24928223498564478 ~1989
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25-04-13