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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
1333457640059378 ~1982
1333511106680898 ~1980
133358326671677 ~1979
1333583320059938
133362180017277 ~1980
13336631093603679 ~1983
133367926673597 ~1979
133369126673837 ~1979
133375126675037 ~1979
133377780026637 ~1980
1333811106704898 ~1980
1333967666983518 ~1982
133399126679837 ~1979
1334057458648796710 ~1987
133409380045597 ~1980
133436326687277 ~1979
1334453186823438 ~1981
13344673122652799 ~1984
133447780068637 ~1980
1334563213530098 ~1981
1334603747377698 ~1982
13347472589409199 ~1984
1335067133506718 ~1981
1335167106813378 ~1980
1335331240359598 ~1981
Exp. Prime Factor Digits Year
1335379560859198 ~1982
1335461106836898 ~1980
133568326713677 ~1979
133578180146877 ~1980
133579126715837 ~1979
1335869106869538 ~1980
133595380157197 ~1980
133597780158637 ~1980
133601926720397 ~1979
133609126721837 ~1979
1336103320664738 ~1981
133615126723037 ~1979
133617780170637 ~1980
133634326726877 ~1979
1336603213856498 ~1981
133661380196797 ~1980
133679926735997 ~1979
133688326737677 ~1979
13369011684495279 ~1983
13369632887840099 ~1984
1337003320880738 ~1981
1337093187193038 ~1981
133715926743197 ~1979
1337159106972738
133717380230397 ~1980
Exp. Prime Factor Digits Year
1337299133729918 ~1981
133762180257277 ~1980
133766326753277 ~1979
1337689535075618 ~1982
1337873321089538 ~1981
133797780278637 ~1980
1338241294413038 ~1981
1338331240899598 ~1981
133837126767437 ~1979
133844326768877 ~1979
1338457615690238 ~1982
133847926769597 ~1979
1338481294465838 ~1981
1338521107081698 ~1980
1338587107086978 ~1980
1338647348048238 ~1982
133866180319677 ~1980
133867126773437 ~1979
1338737187423198 ~1981
133879126775837 ~1979
1338793294534478 ~1981
133880326776077 ~1979
1338809107104738 ~1980
1338811214209778 ~1981
133892326778477 ~1979
Exp. Prime Factor Digits Year
133915380349197 ~1980
133919926783997 ~1979
133922326784477 ~1979
133925926785197 ~1979
13392591392829379
133933380359997 ~1980
13393993857469139 ~1984
1339487107158978 ~1980
13394872491445839
133957126791437 ~1979
1339571348288478
133961926792397 ~1979
1339691107175298 ~1980
1339693401907918 ~1982
13396931688013199
1339759777060238 ~1982
133977780386637 ~1980
133999380399597 ~1980
134003926800797 ~1979
134004180402477 ~1980
134015380409197 ~1980
134029126805837 ~1979
134041126808237 ~1979
13404118605438639
1340447107235778 ~1980
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25-04-06