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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.
Exponent Prime Factor Digits Year
19353611387072238 ~1988
19354031387080638 ~1988
19354319387086398 ~1988
19354403387088078 ~1988
19354451387089038 ~1988
19354871387097438 ~1988
19355111387102238 ~1988
193551791935517919 ~1990
19355723387114478 ~1988
19355951387119038 ~1988
19356119387122398 ~1988
19356479387129598 ~1988
19356847174211623110 ~1992
193570211161421279 ~1989
19357199387143998 ~1988
19357451387149038 ~1988
19357463387149278 ~1988
19357571387151438 ~1988
19357991387159838 ~1988
19358071267141379910 ~1992
19358711387174238 ~1988
193590011161540079 ~1989
19359323143258990310 ~1992
19359383387187678 ~1988
193594971161569839 ~1989
Exponent Prime Factor Digits Year
193602171548817379 ~1989
193607111936071119 ~1990
193609211161655279 ~1989
19360931387218638 ~1988
19361159387223198 ~1988
193619413097910579 ~1990
193620973097935539 ~1990
19362611387252238 ~1988
19362683387253678 ~1988
19364843387296878 ~1988
19364879387297598 ~1988
19365239387304798 ~1988
19365323387306478 ~1988
19365611387312238 ~1988
19365743387314878 ~1988
19365803387316078 ~1988
19365971387319438 ~1988
19366019387320398 ~1988
193660491549283939 ~1989
19366271387325438 ~1988
19366811387336238 ~1988
19367123387342478 ~1988
193681571162089439 ~1989
19368203387364078 ~1988
19368623387372478 ~1988
Exponent Prime Factor Digits Year
193688211162129279 ~1989
193690271936902719 ~1990
193690393486427039 ~1990
19369271387385438 ~1988
19369583387391678 ~1988
19369739387394798 ~1988
19369799387395998 ~1988
19369991387399838 ~1988
19370051387401038 ~1988
19370111387402238 ~1988
19370363387407278 ~1988
19370399387407998 ~1988
19370639387412798 ~1988
19370947127848250310 ~1992
19371851387437038 ~1988
19372019387440398 ~1988
193722531162335199 ~1989
193722771549782179 ~1989
19372583387451678 ~1988
19373219387464398 ~1988
19373411387468238 ~1988
19373639387472798 ~1988
19373759387475198 ~1988
193737891549903139 ~1989
193738331162429999 ~1989
Exponent Prime Factor Digits Year
19375043387500878 ~1988
19375151387503038 ~1988
19375283387505678 ~1988
19375379387507598 ~1988
193756611162539679 ~1989
19375859387517198 ~1988
193760171162561039 ~1989
193762211162573279 ~1989
193766571162599439 ~1989
193768571162611439 ~1989
19376963387539278 ~1988
19377623387552478 ~1988
19377863387557278 ~1988
193780671550245379 ~1989
19378211387564238 ~1988
193782731162696399 ~1989
19378319387566398 ~1988
19378559387571198 ~1988
19378871387577438 ~1988
193791171162747039 ~1989
19379159387583198 ~1988
19379543387590878 ~1988
19379831387596638 ~1988
19379939387598798 ~1988
19379963387599278 ~1988
1391
GIMPS The Prime Pages FactorDb.com
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25-04-13