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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
7520389180489336110 ~1990
75204072556938399 ~1988
7520417451225038 ~1986
7520501451230078 ~1986
7520567601645378 ~1986
7520581451234878 ~1986
7520819150416398 ~1985
75208196768737119
75209111353763999 ~1987
7520993451259598 ~1986
75213176468332639 ~1989
7521443150428878 ~1985
75215332256459919 ~1988
7521659150433198 ~1985
7521869601749538 ~1986
7522187601774978 ~1986
7522283150445678 ~1985
7522799150455998 ~1985
75229271203668339 ~1987
7523189601855138 ~1986
7523471150469438 ~1985
7523513451410798 ~1986
7523533451411998 ~1986
7523699150473998 ~1985
75240711354332799 ~1987
Exp. Prime Factor Digits Year
7524107601928578 ~1986
7524679752467918 ~1986
7524719150494398 ~1985
7524941451496478 ~1986
75249671203994739 ~1987
7524983150499678 ~1985
7525003752500318 ~1986
7525151602012098 ~1986
7525403150508078 ~1985
7525571150511438 ~1985
7525601451536078 ~1986
75256571204105139 ~1987
7525943150518878 ~1985
7526297602103778 ~1986
7526447602115778 ~1986
7526663150533278 ~1985
7526993451619598 ~1986
7527181451630878 ~1986
75274196774677119 ~1989
7528043150560878 ~1985
7528091150561838 ~1985
7528111752811118 ~1986
75283571156355635311 ~1992
75283931656246479 ~1987
7528403150568078 ~1985
Exp. Prime Factor Digits Year
7528537451712238 ~1986
75290992409311699 ~1988
7529261602340898 ~1986
7529771150595438 ~1985
7529783150595678 ~1985
7529831150596638 ~1985
7529857451791438 ~1986
7529881451792878 ~1986
75299032409568979 ~1988
7529939150598798 ~1985
7530073451804398 ~1986
75301211656626639 ~1987
75302393614514739 ~1988
7530353451821198 ~1986
7530791150615838 ~1985
7530851150617038 ~1985
7531019150620398 ~1985
7531157602492578 ~1986
75314231807541539 ~1987
7531451150629038 ~1985
7531871150637438 ~1985
75325071958451839 ~1987
7532537602602978 ~1986
7532579150651598 ~1985
7532771150655438 ~1985
Exp. Prime Factor Digits Year
7532773451966398 ~1986
7533131150662638 ~1985
7533181451990878 ~1986
75331994821247379 ~1988
7533221602657698 ~1986
75335711356042799 ~1987
7533611150672238 ~1985
7533731150674638 ~1985
7533751753375118 ~1986
7533781452026878 ~1986
75338591808126179 ~1987
7533947602715778 ~1986
7534367602749378 ~1986
7534463150689278 ~1985
7534511150690238 ~1985
7534817452089038 ~1986
75351671356330079 ~1987
7535243150704878 ~1985
7535417602833378 ~1986
7535459150709198 ~1985
7535519602841538 ~1986
7535701452142078 ~1986
7535771602861698 ~1986
75360311205764979 ~1987
7536443150728878 ~1985
880
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25-09-07