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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
74230791336154239 ~1987
7423153445389198 ~1986
74233271187732339 ~1987
74236071930137839 ~1987
7423631148472638 ~1985
7423919148478398 ~1985
74239371039351199 ~1987
74244011508638283311 ~1992
74245332227359919 ~1988
7424581445474878 ~1986
7424663148493278 ~1985
7424719742471918 ~1986
7424797445487838 ~1986
74248972821460879 ~1988
7425329594026338 ~1986
7425443148508878 ~1985
7425547742554718 ~1986
7425611148512238 ~1985
7425611594048898
7425667742566718 ~1986
74257391782177379 ~1987
74259113118882639 ~1988
7426031148520638 ~1985
7426091148521838 ~1985
7426151148523038 ~1985
Exp. Prime Factor Digits Year
7426253445575198 ~1986
7426747742674718 ~1986
7426817445609038 ~1986
7426823148536478 ~1985
7426877445612638 ~1986
7426931148538638 ~1985
74270092228102719 ~1988
7427159148543198 ~1985
7427663148553278 ~1985
74277011188432179 ~1987
7427731742773118 ~1986
7427789594223138 ~1986
7427891148557838 ~1985
74280174011129199 ~1988
7428119148562398 ~1985
7428203148564078 ~1985
7428341445700478 ~1986
7428383148567678 ~1985
74283891039974479 ~1987
7428539148570798 ~1985
7428713445722798 ~1986
7429091148581838 ~1985
7429111742911118 ~1986
7429463148589278 ~1985
7429607594368578 ~1986
Exp. Prime Factor Digits Year
7429679148593598 ~1985
7429757445785438 ~1986
74298832377562579 ~1988
7430051148601038 ~1985
7430117445807038 ~1986
7430459148609198 ~1985
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
Exp. Prime Factor Digits Year
7433171148663438 ~1985
7433357594668578 ~1986
7433843148676878 ~1985
7433897594711778 ~1986
7433957446037438 ~1986
7433999148679998 ~1985
7434041446042478 ~1986
7434191148683838 ~1985
7434311594744898 ~1986
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
880
GIMPS The Prime Pages FactorDb.com
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25-11-02