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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
177830335566077 ~1980
1778303746887278
1778341106700478 ~1981
177866335573277 ~1980
1778677106720638 ~1981
1778677426882498
1778813249033838 ~1982
17788511600965919 ~1984
1778869391351198 ~1982
1778899711559618 ~1983
1779097106745838 ~1981
17790971387695679
1779137106748238 ~1981
1779149249080878 ~1982
17791631174247599 ~1984
1779191142335298 ~1981
1779227462599038 ~1983
1779311889655518 ~1983
1779341996430978 ~1983
1779403747349278 ~1983
1779497106769838 ~1981
1779571177957118 ~1982
1779601106776078 ~1981
17796072740594799 ~1984
177962335592477 ~1980
Exp. Prime Factor Digits Year
1779677427122498 ~1982
177977935595597 ~1980
1779941569581138 ~1983
177998335599677 ~1980
1780027178002718 ~1982
1780253249235438 ~1982
1780321284851378 ~1982
178037935607597 ~1980
1780379569721298
1780381284860978 ~1982
1780411320473998 ~1982
1780447178044718 ~1982
178046335609277 ~1980
1780517106831038 ~1981
1780577142446178 ~1981
1780663178066318 ~1982
178070335614077 ~1980
1780901106854078 ~1981
1780967320574078 ~1982
1781027142482178 ~1981
1781047284967538 ~1982
178109935621997 ~1980
1781239427497378 ~1982
1781287427508898 ~1982
1781309249383278 ~1982
Exp. Prime Factor Digits Year
1781363748172478 ~1983
178151935630397 ~1980
1781609142528738 ~1981
1781831320729598 ~1982
1781851178185118 ~1982
1781893285102898 ~1982
1782113427707138 ~1982
178223935644797 ~1980
178256335651277 ~1980
1782589427821378 ~1982
1782611142608898 ~1981
178274335654877 ~1980
1782769392209198 ~1982
1782769962695278
1782797106967838 ~1981
1782829427878978 ~1982
1782917106975038 ~1981
1782961106977678 ~1981
1783043427930338 ~1982
178316335663277 ~1980
1783423178342318 ~1982
1783427142674178 ~1981
1783469142677538 ~1981
1783643570765778 ~1983
1783781107026878 ~1981
Exp. Prime Factor Digits Year
1783813392438878 ~1982
1783921107035278 ~1981
1784203178420318 ~1982
178423135684637 ~1980
1784281107056878 ~1981
1784389713755618 ~1983
1784557107073438 ~1981
1784633107077998 ~1981
1784641285542578 ~1982
1784647178464718 ~1982
1784833713933218 ~1983
178496335699277 ~1980
1785257249935998 ~1982
1785347892673518 ~1983
1785401856992498 ~1983
178541935708397 ~1980
1785473249966238 ~1982
1785491321388398 ~1982
178559935711997 ~1980
17856131142792339 ~1984
17856835892753919 ~1985
1785713107142798 ~1981
178577935715597 ~1980
1785779571449298
1785811285729778 ~1982
369
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26-07-05