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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
4231901253914078 ~1984
423194384638877 ~1983
42323577110359779 ~1987
423260384652077 ~1983
4232651338612098 ~1984
4232693592577038 ~1985
4233007761941278 ~1985
4233071338645698 ~1984
4233139423313918 ~1984
4233161266689143110 ~1989
4233421254005278 ~1984
4233521254011278 ~1984
4233553254013198 ~1984
42336671439446799 ~1986
4233877254032638 ~1984
4234063677450098 ~1985
423409184681837 ~1983
4234157254049438 ~1984
4234211338736898 ~1984
42342912794632079 ~1986
4234537254072238 ~1984
4234679338774338 ~1984
423482384696477 ~1983
4234907338792578 ~1984
4234933254095998 ~1984
Exp. Prime Factor Digits Year
4235471338837698 ~1984
4235471762384798
4235633254137998 ~1984
4235741254144478 ~1984
4235897338871778 ~1984
4235947677751538 ~1985
4236101254166078 ~1984
4236137254168238 ~1984
423619184723837 ~1983
423620384724077 ~1983
4236283677805298 ~1985
4236319762537438 ~1985
423637184727437 ~1983
4236437254186238 ~1984
4236619762591438 ~1985
423677984735597 ~1983
423680384736077 ~1983
4236887338950978 ~1984
4236997254219838 ~1984
4237417677986738 ~1985
4237423423742318 ~1984
423746384749277 ~1983
4237501254250078 ~1984
423755984751197 ~1983
423761984752397 ~1983
Exp. Prime Factor Digits Year
423763184752637 ~1983
4238033254281998 ~1984
4238107423810718 ~1984
4238177593344798 ~1985
423830384766077 ~1983
4238519339081538 ~1984
423857984771597 ~1983
423865184773037 ~1983
42386871102058639 ~1986
4238791678206578 ~1985
42389891017357379 ~1985
423899984779997 ~1983
4239271678283378 ~1985
4239373254362398 ~1984
4239419763095438 ~1985
4239493254369598 ~1984
42395772034996979 ~1986
4239611339168898 ~1984
4239727678356338 ~1985
4239743133127930310 ~1988
4239821254389278 ~1984
42398534748635379 ~1987
4239877254392638 ~1984
423997184799437 ~1983
424009184801837 ~1983
Exp. Prime Factor Digits Year
424013984802797 ~1983
4240207424020718 ~1984
424045184809037 ~1983
424055984811197 ~1983
42405591017734179
4240603424060318 ~1984
4240721254443278 ~1984
42408111102610879 ~1986
4240849932986798 ~1985
4240981254458878 ~1984
424099184819837 ~1983
4241099339287938 ~1984
424141184828237 ~1983
424145984829197 ~1983
4241459339316738
4241539763477038 ~1985
424160384832077 ~1983
424166384833277 ~1983
424184384836877 ~1983
42418931272567919 ~1986
424190384838077 ~1983
4241987339358978 ~1984
4242169933277198 ~1985
424219184843837 ~1983
4242619763671438 ~1985
647
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26-08-02