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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
79296176343693619 ~1989
7929683158593678 ~1985
7929899158597998 ~1985
7930037475802238 ~1986
7930229177637129710 ~1990
79302711427448799 ~1987
7930463158609278 ~1985
7930757475845438 ~1986
7930859158617198 ~1985
7930943158618878 ~1985
7931117475867038 ~1986
7931249634499938 ~1986
7931353475881198 ~1986
7931411158628238 ~1985
7931459158629198 ~1985
7931519158630398 ~1985
7931597475895838 ~1986
7931771158635438 ~1985
7931831158636638 ~1985
7932053475923198 ~1986
7932517475951038 ~1986
7932553475953198 ~1986
7932809634624738 ~1986
7932839158656798 ~1985
79328931110605039 ~1987
Exp. Prime Factor Digits Year
7933109634648738 ~1986
7933231793323118 ~1987
7933319158666398 ~1985
7933379158667598 ~1985
79334813014722799 ~1988
7933511158670238 ~1985
7933813476028798 ~1986
7934099158681998 ~1985
79348078252199299 ~1989
7934831158696638 ~1985
7934957476097438 ~1986
7935071158701438 ~1985
7935143158702878 ~1985
7935197476111838 ~1986
79354391904505379 ~1988
7935491158709838 ~1985
7935833476149998 ~1986
7935971158719438 ~1985
7935971634877698
7936079158721598 ~1985
7936163158723278 ~1985
7936223158724478 ~1985
7936673476200398 ~1986
7936751158735038 ~1985
7936823158736478 ~1985
Exp. Prime Factor Digits Year
7937123158742478 ~1985
7937141476228478 ~1986
7937177634974178 ~1986
7937533476251998 ~1986
7937621476257278 ~1986
7937753476265198 ~1986
7937771635021698 ~1986
7937939158758798 ~1985
7937981635038498 ~1986
79379831270077299 ~1987
79382113175284419 ~1988
79385033334171279 ~1988
79386413016683599 ~1988
7938803158776078 ~1985
7939091158781838 ~1985
7939103158782078 ~1985
7939259158785198 ~1985
7939313476358798 ~1986
7939523158790478 ~1985
7939619158792398 ~1985
7939643158792878 ~1985
7939787635182978 ~1986
7939817635185378 ~1986
7939861476391678 ~1986
7939949252490378310 ~1990
Exp. Prime Factor Digits Year
7940063158801278 ~1985
7940087635206978 ~1986
7940159635212738 ~1986
7940333476419998 ~1986
7940357635228578 ~1986
7940483158809678 ~1985
7941299158825998 ~1985
7941383158827678 ~1985
79416711429500799 ~1987
79417612541363539 ~1988
79417671906024099 ~1988
7941851292260116910 ~1990
7941937476516238 ~1986
7941959635356738 ~1986
79420311429565599 ~1987
7942163158843278 ~1985
7942211158844238 ~1985
7942223158844478 ~1985
7942387794238718 ~1987
7942477476548638 ~1986
7942481635398498 ~1986
7942523158850478 ~1985
7942559635404738 ~1986
79429191906300579 ~1988
7942967635437378 ~1986
919
GIMPS The Prime Pages FactorDb.com
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25-12-14