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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.
Exp. Prime Factor Digits Year
72642771016998799 ~1987
7264319145286398 ~1985
7264381435862878 ~1986
7264391145287838 ~1985
7264643145292878 ~1985
7264841581187298 ~1986
7265003145300078 ~1985
72652071888953839 ~1987
7265339145306798 ~1985
7265381581230498 ~1986
7265603145312078 ~1985
7265663145313278 ~1985
7265701435942078 ~1986
7265759145315198 ~1985
7266073435964398 ~1986
7266101435966078 ~1986
7266251145325038 ~1985
7266299145325998 ~1985
7266491581319298 ~1986
7266557435993438 ~1986
72666731162667699 ~1987
72666971162671539 ~1987
72667094650693779 ~1988
7266737436004238 ~1986
7266923145338478 ~1985
Exp. Prime Factor Digits Year
72669292180078719 ~1987
7267031145340638 ~1985
7267079145341598 ~1985
7267097436025838 ~1986
7267391145347838 ~1985
7267441436046478 ~1986
7267499145349998 ~1985
7267583145351678 ~1985
7267769581421538 ~1986
72682012325824339 ~1988
7268441436106478 ~1986
7268533436111998 ~1986
7268581436114878 ~1986
7268743726874318 ~1986
7268819145376398 ~1985
7268881103218110310 ~1989
7269239145384798 ~1985
7269281581542498 ~1986
72693071308475279 ~1987
7269371581549698 ~1986
72694811599285839 ~1987
72695271744686499 ~1987
7269539145390798 ~1985
7269611145392238 ~1985
7269643726964318 ~1986
Exp. Prime Factor Digits Year
7269683145393678 ~1985
7269937436196238 ~1986
7269959145399198 ~1985
7270253436215198 ~1986
7270379145407598 ~1985
7270391145407838 ~1985
7270643145412878 ~1985
72707334071610499 ~1988
7270751145415038 ~1985
7271477436288638 ~1986
7271483145429678 ~1985
7271501436290078 ~1986
7271723145434478 ~1985
7271777581742178 ~1986
7271963145439278 ~1985
7272227581778178 ~1986
7272337436340238 ~1986
7272431581794498 ~1986
7272751727275118 ~1986
7272911145458238 ~1985
7273061436383678 ~1986
7273463145469278 ~1985
7273583145471678 ~1985
7273633436417998 ~1986
7273633196388091110
Exp. Prime Factor Digits Year
7273817581905378 ~1986
7274053436443198 ~1986
7274339145486798 ~1985
7274437436466238 ~1986
7274639145492798 ~1985
7274857436491438 ~1986
7275011145500238 ~1985
72750193492009139 ~1988
7275077436504638 ~1986
7275397436523838 ~1986
7275431145508638 ~1985
7275479145509598 ~1985
72754971018569599 ~1987
7275503145510078 ~1985
72755511309599199 ~1987
7275743145514878 ~1985
72760392910415619 ~1988
72764711164235379 ~1987
7276931145538638 ~1985
7277183145543678 ~1985
7277189582175138 ~1986
7277279582182338 ~1986
7277423145548478 ~1985
72775931164414899 ~1987
7277681436660878 ~1986
860
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25-08-20