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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
74306111337509999 ~1987
7430651148613038 ~1985
7430711148614238 ~1985
7430711594456898
74307771040308799 ~1987
7430939148618798 ~1985
7430987594478978 ~1986
74310971188975539 ~1987
7431419148628398 ~1985
7431491148629838 ~1985
7431503148630078 ~1985
7431719148634398 ~1985
7431959594556738 ~1986
7432037594562978 ~1986
7432331594586498 ~1986
7432457445947438 ~1986
7432499148649998 ~1985
7432751148655038 ~1985
7433039148660798 ~1985
74330511932593279 ~1987
7433171148663438 ~1985
7433357594668578 ~1986
7433843148676878 ~1985
7433897594711778 ~1986
7433957446037438 ~1986
Exp. Prime Factor Digits Year
7433999148679998 ~1985
7434041446042478 ~1986
7434191148683838 ~1985
7434311594744898 ~1986
74343113717155519
7434397446063838 ~1986
7434503148690078 ~1985
7434517446071038 ~1986
7434803148696078 ~1985
7434851148697038 ~1985
7434881446092878 ~1986
74350131040901839 ~1987
7435019148700398 ~1985
7435033446101998 ~1986
7435081446104878 ~1986
7435139148702798 ~1985
7435151594812098 ~1986
7435331148706638 ~1985
7435399743539918 ~1986
7435931148718638 ~1985
7436171594893698 ~1986
7436323743632318 ~1986
7436453446187198 ~1986
7436459148729198 ~1985
7436719743671918 ~1986
Exp. Prime Factor Digits Year
7436921594953698 ~1986
7437091743709118 ~1986
7437191148743838 ~1985
7437431148748638 ~1985
7437779148755598 ~1985
7438001595040098 ~1986
7438439148768798 ~1985
7438477446308638 ~1986
7438841446330478 ~1986
7438927168119750310 ~1990
7438967595117378 ~1986
7439219148784398 ~1985
74394171785460099 ~1987
7439639148792798 ~1985
7439717446383038 ~1986
7439843148796878 ~1985
7440011148800238 ~1985
74404371041661199 ~1987
7441061446463678 ~1986
7441099744109918 ~1986
74412891041780479 ~1987
7441409595312738 ~1986
7441633446497998 ~1986
7441823148836478 ~1985
7441883148837678 ~1985
Exp. Prime Factor Digits Year
7441961595356898 ~1986
7442467744246718 ~1986
7442657446559438 ~1986
7442881446572878 ~1986
74431571190905139 ~1987
7443173446590398 ~1986
7443223744322318 ~1986
7443287595462978 ~1986
7443377595470178 ~1986
7443539148870798 ~1985
7443607744360718 ~1986
74442011191072179 ~1987
7444357446661438 ~1986
7444439595555138 ~1986
7444499148889998 ~1985
74446732233401919 ~1988
7444799148895998 ~1985
7444993446699598 ~1986
74451617594064239 ~1989
7445219148904398 ~1985
7445759148915198 ~1985
7445831148916638 ~1985
7445959744595918 ~1986
74460971191375539 ~1987
7446121446767278 ~1986
895
GIMPS The Prime Pages FactorDb.com
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26-03-15