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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
1569157251065138 ~1982
1569241345233038 ~1982
1569349376643778 ~1982
1569413219717838 ~1981
1569443502221778 ~1982
1569611502275538 ~1982
156980331396077 ~1979
15698898006433919 ~1985
156992331398477 ~1979
1569961345391438 ~1982
156997794198637 ~1981
156998331399677 ~1979
1570061125604898 ~1981
157008194204877 ~1981
1570087282615678 ~1982
157009131401837 ~1979
1570097125607778 ~1981
1570237722309038 ~1983
1570267533890798 ~1982
157031931406397 ~1979
1570427125634178 ~1981
1570451502544338 ~1982
1570451659589438
157061931412397 ~1979
1570637125650978 ~1981
Exp. Prime Factor Digits Year
15706633643938179 ~1984
1570873848271438 ~1983
15708836032190739 ~1985
157093131418637 ~1979
1571027125682178 ~1981
15710931728202319 ~1984
1571209377090178 ~1982
1571239157123918 ~1981
1571419157141918 ~1981
1571477125718178 ~1981
157157931431597 ~1979
1571579125726338
1571897471569118 ~1982
157195794317437 ~1981
15720911760741939 ~1984
1572149125771938 ~1981
1572163377319138 ~1982
1572239125779138 ~1981
1572251125780098 ~1981
1572271157227118 ~1981
157240194344077 ~1981
1572407125792578 ~1981
1572419283035438 ~1982
157244331448877 ~1979
1572617220166398 ~1981
Exp. Prime Factor Digits Year
157273131454637 ~1979
1572749220184878 ~1981
1572749503279698
15727992044638719 ~1984
157280331456077 ~1979
1572871660605838 ~1983
157291131458237 ~1979
157302194381277 ~1981
1573109377546178 ~1982
157313394387997 ~1981
157313931462797 ~1979
157315131463037 ~1979
157321794393037 ~1981
157328331465677 ~1979
1573543251766898 ~1982
1573547283238478 ~1982
1573577125886178 ~1981
15735771258861619
1573613472083918 ~1982
15737171007178899 ~1983
157381131476237 ~1979
1573823881340898 ~1983
1573927157392718 ~1981
157397394438397 ~1981
1573997125919778 ~1981
Exp. Prime Factor Digits Year
1574057125924578 ~1981
157423131484637 ~1979
1574491283408398 ~1982
1574791157479118 ~1981
1574791283462398
1574849125987938 ~1981
1574939125995138 ~1981
15750311039520479 ~1983
1575071787535518 ~1983
157508331501677 ~1979
1575113220515838 ~1981
157513131502637 ~1979
157513794508237 ~1981
1575253472575918 ~1982
1575307252049138 ~1982
15754011228812799 ~1983
157544331508877 ~1979
157565931513197 ~1979
1575767126061378 ~1981
157581794549037 ~1981
1575829378198978 ~1982
1575869220621678 ~1981
157596194557677 ~1981
1576007378241698 ~1982
157610331522077 ~1979
338
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26-04-05