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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
24818771141663439 ~1984
248197149639437 ~1981
2481971198557698
2482097198567778 ~1982
2482253148935198 ~1982
24822971340440399 ~1984
24823431241171519 ~1984
248243949648797 ~1981
248245149649037 ~1981
248252349650477 ~1981
2482523595805538
2482607446869278 ~1983
2482607645477838
248287149657437 ~1981
2482967198637378 ~1982
2482999248299918 ~1983
2483077744923118 ~1984
24830991241549519 ~1984
248317149663437 ~1981
2483219198657538 ~1982
2483521149011278 ~1982
248354349670877 ~1981
2483549347696878 ~1983
24836171937221279 ~1985
2483653149019198 ~1982
Exp. Prime Factor Digits Year
248371149674237 ~1981
2483753149025198 ~1982
2483861198708898 ~1982
2483911447103998 ~1983
2484017149041038 ~1982
2484019248401918 ~1983
2484197198735778 ~1982
248420349684077 ~1981
248432349686477 ~1981
2484353149061198 ~1982
2484539596289378 ~1984
2484569347839678 ~1983
248473149694637 ~1981
2484857745457118 ~1984
248489949697997 ~1981
2484917745475118 ~1984
2484961149097678 ~1982
24851931391708099 ~1984
2485207596449698 ~1984
2485453149127198 ~1982
2485481198838498 ~1982
2485513149130798 ~1982
2485547198843778 ~1982
2485559795378898 ~1984
2485573149134398 ~1982
Exp. Prime Factor Digits Year
2485579248557918 ~1983
248564349712877 ~1981
2485937149156238 ~1982
2486243596698338 ~1984
24862871442046479 ~1985
2486371248637118 ~1983
2486459447562638 ~1983
2486521994608418 ~1984
2486551447579198 ~1983
24865933729889519 ~1986
248663949732797 ~1981
248665149733037 ~1981
2486669198933538 ~1982
2486677746003118 ~1984
24867132984055619 ~1985
2486767447618078 ~1983
2486833397893298 ~1983
2486873149212398 ~1982
2486969198957538 ~1982
248714349742877 ~1981
2487367248736718 ~1983
248762349752477 ~1981
2487637398021938 ~1983
248765949753197 ~1981
2487773597065538 ~1984
Exp. Prime Factor Digits Year
24878273184418579 ~1985
248792349758477 ~1981
248801949760397 ~1981
2488067199045378 ~1982
24880991194287539 ~1984
2488181199054498 ~1982
2488181796217938
2488217348350398 ~1983
2488219447879438 ~1983
248831949766397 ~1981
2488357160747862310 ~1987
2488471398155378 ~1983
2488537149312238 ~1982
2488537398165938
24886672438893679 ~1985
2488901199112098 ~1982
2489107248910718 ~1983
2489107846296398
248918349783677 ~1981
2489213149352798 ~1982
24893711045535839 ~1984
24894132389836499 ~1985
248942349788477 ~1981
2489533149371998 ~1982
248963949792797 ~1981
455
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26-03-29