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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
12440273806722639 ~1984
1244053671788638 ~1982
124414199531297 ~1980
124427924885597 ~1979
1244359124435918 ~1980
124436324887277 ~1979
1244479152324229710 ~1985
1244521273794638 ~1981
1244531224015598 ~1981
1244531522703038
124459124891837 ~1979
12447294256973199 ~1984
124477774686637 ~1980
1244777597492978
124481924896397 ~1979
124482174689277 ~1980
124483374689997 ~1980
124487924897597 ~1979
1244911497964418 ~1982
12449871120488319 ~1983
1244989597594738 ~1982
1244993298798338 ~1981
124500174700077 ~1980
1245067124506718 ~1980
124513774708237 ~1980
Exp. Prime Factor Digits Year
1245353398512978 ~1982
12455091370059919 ~1983
124570199656097 ~1980
1245763523220478 ~1982
1245817199330738 ~1981
1245833398666578 ~1982
1245971224274798 ~1981
1246241398797138 ~1982
1246243498497218 ~1982
1246339598242738 ~1982
124637999710337 ~1980
1246379623189518
124653774792237 ~1980
124658999727137 ~1980
1246697174537598 ~1981
1246711199473778 ~1981
12467811072231679 ~1983
1246823299237538 ~1981
1246997299279298 ~1981
1247053498821218 ~1982
12472093791515379 ~1984
124723124944637 ~1979
1247291324295678 ~1981
124730324946077 ~1979
124742999794337 ~1980
Exp. Prime Factor Digits Year
12474531072809599 ~1983
1247557573876238 ~1982
124762199809697 ~1980
1247621474095998
124764174858477 ~1980
1247833299479938 ~1981
124801199840897 ~1980
1248019424326478 ~1982
1248031199684978 ~1981
1248239898732098 ~1982
124833774900237 ~1980
1248427499370818 ~1982
124850324970077 ~1979
1248553374565918 ~1981
124859374915597 ~1980
1248673199787698 ~1981
1248757299701698 ~1981
124880999904737 ~1980
12488573172096799 ~1984
124891799913377 ~1980
1249013399684178 ~1982
124904324980877 ~1979
124904999923937 ~1980
1249057499622818 ~1982
124909124981837 ~1979
Exp. Prime Factor Digits Year
124921774953037 ~1980
12492478919623599 ~1985
124927374956397 ~1980
124931999945537 ~1980
12493191499182819
1249321274850638 ~1981
124951124990237 ~1979
1249531124953118 ~1980
124963199970497 ~1980
124969124993837 ~1979
124973999979137 ~1980
124979924995997 ~1979
124979999983937
124981774989037 ~1980
124984799987777 ~1980
12498471224850079
125002175001277 ~1980
1250023125002318 ~1980
1250351100028098 ~1980
1250831100066498 ~1980
1250867100069378 ~1980
1251109500443618 ~1982
125117925023597 ~1979
1251179400377298
1251259425428078 ~1982
288
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26-01-11