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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
4746173284770398 ~1984
474643194928637 ~1983
4746473284788398 ~1984
474680394936077 ~1983
4746821284809278 ~1984
4747033284821998 ~1984
474707994941597 ~1983
4747159474715918 ~1985
4747441284846478 ~1984
4747481379798498 ~1985
474767994953597 ~1983
474806394961277 ~1983
474817194963437 ~1983
4748207379856578 ~1985
474827994965597 ~1983
4748377284902638 ~1984
4748477284908638 ~1984
474848394969677 ~1983
474851994970397 ~1983
474853194970637 ~1983
474869994973997 ~1983
474913194982637 ~1983
4749179854852238 ~1985
474919194983837 ~1983
47491936743854079 ~1988
Exp. Prime Factor Digits Year
47492291899691619 ~1986
474926394985277 ~1983
4749299379943938 ~1985
4749557664937998 ~1985
4749571474957118 ~1985
474965994993197 ~1983
4749671379973698 ~1985
47496912754820799 ~1987
4749967474996718 ~1985
47499912754994799 ~1987
4750013665001838 ~1985
475010395002077 ~1983
4750217380017378 ~1985
4750373285022398 ~1984
475037995007597 ~1983
475043995008797 ~1983
475064395012877 ~1983
4751057285063438 ~1984
475123195024637 ~1983
4751237380098978 ~1985
47514791140354979 ~1986
4751641285098478 ~1984
4751849380147938 ~1985
4751917285115038 ~1984
4752247475224718 ~1985
Exp. Prime Factor Digits Year
475232395046477 ~1983
47524091425722719 ~1986
475243195048637 ~1983
4752551855459198 ~1985
47527391901095619 ~1986
475279195055837 ~1983
47528172281352179 ~1986
4752871855516798 ~1985
4753121285187278 ~1984
47536131426083919 ~1986
475364395072877 ~1983
475382395076477 ~1983
4753921285235278 ~1984
47539611521267539 ~1986
4754273285256398 ~1984
47542731426281919
47543571426307119 ~1986
4754437285266238 ~1984
4754549380363938 ~1985
47545514279095919 ~1987
475459195091837 ~1983
4754591380367298
47550132187305999 ~1986
4755137665719198 ~1985
475514395102877 ~1983
Exp. Prime Factor Digits Year
4755419380433538 ~1985
475547995109597 ~1983
475559995111997 ~1983
475579195115837 ~1983
4755857380468578 ~1985
475592395118477 ~1983
4755967475596718 ~1985
475634395126877 ~1983
475667995133597 ~1983
4756811856225998 ~1985
4756901285414078 ~1984
4757117380569378 ~1985
475747195149437 ~1983
475753195150637 ~1983
475759195151837 ~1983
4757759856396638 ~1985
4758073285484398 ~1984
4758077285484638 ~1984
4758277285496638 ~1984
475844395168877 ~1983
47586293426212899 ~1987
47586591142078179 ~1986
475873195174637 ~1983
4758737380698978 ~1985
4758749666224878 ~1985
657
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25-04-13