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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
76636933065477219
7663823153276478 ~1985
7664357613148578 ~1986
76645492299364719 ~1988
7665023153300478 ~1985
7665127766512718 ~1986
76651491073120879 ~1987
7665737613258978 ~1986
7665743153314878 ~1985
7666013459960798 ~1986
7666037613282978 ~1986
7666039766603918 ~1986
76660931839862339 ~1987
76661033219763279 ~1988
7666163153323278 ~1985
7666247613299778 ~1986
7666381459982878 ~1986
7666559153331198 ~1985
7666573459994398 ~1986
7666619153332398 ~1985
7666717460003038 ~1986
7667111613368898 ~1986
7667113460026798 ~1986
7667237460034238 ~1986
7667519153350398 ~1985
Exp. Prime Factor Digits Year
7667531153350638 ~1985
7667641460058478 ~1986
7667651153353038 ~1985
7667771153355438 ~1985
76678572300357119 ~1988
7668029613442338 ~1986
7668161613452898 ~1986
7668203153364078 ~1985
7668257460095438 ~1986
7668337460100238 ~1986
7668757460125438 ~1986
76690032607461039 ~1988
7669171766917118 ~1986
7669213460152798 ~1986
7669451153389038 ~1985
7669517613561378 ~1986
7669667613573378 ~1986
7669751153395038 ~1985
7669979153399598 ~1985
7670171153403438 ~1985
7670363153407278 ~1985
7670401460224078 ~1986
7670501460230078 ~1986
76706391380715039 ~1987
7670833460249998 ~1986
Exp. Prime Factor Digits Year
7671143153422878 ~1985
7671263153425278 ~1985
7671493460289598 ~1986
7671523767152318 ~1986
7671731613738498 ~1986
7671737460304238 ~1986
76718091074053279 ~1987
7671959153439198 ~1985
7672163153443278 ~1985
7672319153446398 ~1985
7672319613785538
7672571613805698 ~1986
7672633460357998 ~1986
7672663767266318 ~1986
76726631841439139
7672799153455998 ~1985
7672859153457198 ~1985
7672943153458878 ~1985
7673279153465598 ~1985
7673327613866178 ~1986
7673531153470638 ~1985
7673581460414878 ~1986
7673791767379118 ~1986
7673903153478078 ~1985
7674311153486238 ~1985
Exp. Prime Factor Digits Year
7674413460464798 ~1986
7674521613961698 ~1986
7674881613990498 ~1986
7674899153497998 ~1985
7675273460516398 ~1986
76753373684161779 ~1988
76754271381576879 ~1987
7675637460538238 ~1986
7675741460544478 ~1986
76757931074611039 ~1987
7675931153518638 ~1985
76759612302788319 ~1988
7676243153524878 ~1985
76764473684694579 ~1988
7676699153533998 ~1985
7676959767695918 ~1986
7677011153540238 ~1985
7677073460624398 ~1986
7677179153543598 ~1985
7677203153544078 ~1985
7677359153547198 ~1985
7677413460644798 ~1986
76775119213013219 ~1989
7677533460651998 ~1986
76775894145898079 ~1988
904
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26-01-11