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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
7129861427791678 ~1986
7130009570400738 ~1986
71301471283426479 ~1987
7130407246712082310 ~1990
7130411142608238 ~1985
7130797427847838 ~1986
7130891142617838 ~1985
7130941427856478 ~1986
7130993427859598 ~1986
7131017570481378 ~1986
7131281427876878 ~1986
7131301427878078 ~1986
7131379713137918 ~1986
71313791283648239
7131689998436478 ~1987
71317032852681219 ~1988
7131869570549538 ~1986
7131947570555778 ~1986
7132019142640398 ~1985
7132043142640878 ~1985
7132091142641838 ~1985
7132117427927038 ~1986
71321273566063519 ~1988
7132171713217118 ~1986
7132241570579298 ~1986
Exp. Prime Factor Digits Year
7132373427942398 ~1986
7132421427945278 ~1986
71324595848616399 ~1988
7132813427968798 ~1986
7132987713298718 ~1986
7132997570639778 ~1986
7133177427990638 ~1986
7133257427995438 ~1986
7133281135532339110 ~1989
7133459142669198 ~1985
7133771142675438 ~1985
7133879570710338 ~1986
7133957570716578 ~1986
7133963142679278 ~1985
7133969570717538 ~1986
7134107570728578 ~1986
7134119142682398 ~1985
7134131142682638 ~1985
71341812140254319 ~1987
7134251142685038 ~1985
7134341428060478 ~1986
7134601428076078 ~1986
71346611569625439 ~1987
7134767570781378 ~1986
7135061428103678 ~1986
Exp. Prime Factor Digits Year
7135199570815938 ~1986
7135217570817378 ~1986
7135379142707598 ~1985
7135391142707838 ~1985
7135559142711198 ~1985
7135577998980798 ~1987
7135643142712878 ~1985
7135813428148798 ~1986
7135853428151198 ~1986
7135901428154078 ~1986
7135949570875938 ~1986
7136021570881698 ~1986
71360275708821619 ~1988
71360812283545939 ~1987
7136099142721998 ~1985
7136401428184078 ~1986
7136483142729678 ~1985
7136497428189838 ~1986
7136663142733278 ~1985
7136771142735438 ~1985
7136917428215038 ~1986
7137853428271198 ~1986
7137913428274798 ~1986
71382173854637199 ~1988
7138409571072738 ~1986
Exp. Prime Factor Digits Year
7138619142772398 ~1985
7138643142772878 ~1985
7138919142778398 ~1985
7139123142782478 ~1985
7139189571135138 ~1986
71392994140793439 ~1988
7139437428366238 ~1986
7139519142790398 ~1985
7139543142790878 ~1985
7139567571165378 ~1986
71399171713580099 ~1987
7139933999590638 ~1987
7140047571203778 ~1986
71400471713611299
7140251142805038 ~1985
7140299142805998 ~1985
7140383142807678 ~1985
7140403714040318 ~1986
7140677571254178 ~1986
71407671713784099 ~1987
7140911142818238 ~1985
7140911571272898
7140923142818478 ~1985
7140997428459838 ~1986
71410092142302719 ~1987
864
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25-12-14