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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
119491912150854399 ~1989
11949437955954978 ~1988
11949659238993198 ~1986
11949923238998478 ~1986
11949937716996238 ~1987
11950343239006878 ~1986
11950703239014078 ~1986
11950931239018638 ~1986
11950979239019598 ~1986
11951063239021278 ~1986
11951519239030398 ~1986
11951591239031838 ~1986
11951837717110238 ~1987
11951963239039278 ~1986
11953391239067838 ~1986
11953559239071198 ~1986
119537232868893539 ~1989
11953961717237678 ~1987
11954303239086078 ~1986
11954753717285198 ~1987
11955121717307278 ~1987
11955371239107438 ~1986
11955803239116078 ~1986
11955851239117038 ~1986
11956271239125438 ~1986
Exponent Prime Factor Digits Year
11956403239128078 ~1986
11956583239131678 ~1986
11956943239138878 ~1986
11956991239139838 ~1986
119571071195710719 ~1988
11957377717442638 ~1987
11957531239150638 ~1986
11957651239153038 ~1986
11958371239167438 ~1986
11959043239180878 ~1986
11959133717547998 ~1987
119597512152755199 ~1989
11959859239197198 ~1986
11959897717593838 ~1987
11960183239203678 ~1986
119602792152850239 ~1989
11960867956869378 ~1988
11960891239217838 ~1986
11960999239219998 ~1986
11961143239222878 ~1986
11961671956933698 ~1988
11962421956993698 ~1988
11962739239254798 ~1986
11962943239258878 ~1986
11962991239259838 ~1986
Exponent Prime Factor Digits Year
11962997957039778 ~1988
11963221717793278 ~1987
11963351239267038 ~1986
119640113110642879 ~1989
11964131239282638 ~1986
11964193717851598 ~1987
11964731239294638 ~1986
11964983239299678 ~1986
11965403239308078 ~1986
11965619239312398 ~1986
11965931239318638 ~1986
11965979239319598 ~1986
119660231196602319 ~1988
11966039239320798 ~1986
11966063239321278 ~1986
11966159239323198 ~1986
11966243239324878 ~1986
119663693829238099 ~1989
11966833718009998 ~1987
119673135504963999 ~1990
11967743239354878 ~1986
11967863239357278 ~1986
11967911239358238 ~1986
11968721718123278 ~1987
11968721957497698
Exponent Prime Factor Digits Year
11968823239376478 ~1986
119691192154441439 ~1989
11969159239383198 ~1986
11969201718152078 ~1987
11969423239388478 ~1986
11969471114906921710 ~1990
119695971675743599 ~1988
11969621718177278 ~1987
11969879239397598 ~1986
119699635027384479 ~1989
119700671915210739 ~1988
11970713718242798 ~1987
11970719239414398 ~1986
11971079239421598 ~1986
11971397957711778 ~1988
11971439239428798 ~1986
11971499239429998 ~1986
119717178380201919 ~1990
11971901718314078 ~1987
11972183239443678 ~1986
119729711197297119 ~1988
11973359239467198 ~1986
11973779239475598 ~1986
11973791957903298 ~1988
11973959239479198 ~1986
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25-05-04