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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
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
7674413460464798 ~1986
7674521613961698 ~1986
7674881613990498 ~1986
7674899153497998 ~1985
7675273460516398 ~1986
Exp. Prime Factor Digits Year
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
7677661460659678 ~1986
76776793685285939 ~1988
76778931842694339 ~1987
7677973460678398 ~1986
7678031153560638 ~1985
Exp. Prime Factor Digits Year
7678091153561838 ~1985
76782171842772099 ~1987
7678387767838718 ~1986
7678571153571438 ~1985
7678709614296738 ~1986
7678787614302978 ~1986
7678999767899918 ~1986
7679099153581998 ~1985
7679123153582478 ~1985
7679579153591598 ~1985
7679873460792398 ~1986
7679879153597598 ~1985
7679981614398498 ~1986
7680017460801038 ~1986
76800175990413279
7680131153602638 ~1985
7680131614410498
7680173460810398 ~1986
7680293460817598 ~1986
7680383153607678 ~1985
76805393225826399 ~1988
7680671614453698 ~1986
7680791153615838 ~1985
7680973460858398 ~1986
76814891843557379 ~1987
Exp. Prime Factor Digits Year
76815111997192879 ~1988
7681519768151918 ~1986
7681577614526178 ~1986
7681631153632638 ~1985
7681651768165118 ~1986
7681763153635278 ~1985
76817831843627939 ~1987
7681787614542978 ~1986
76817991382723839 ~1987
7682021614561698 ~1986
7682107768210718 ~1986
7682159153643198 ~1985
7682219153644398 ~1985
7682237460934238 ~1986
7682771153655438 ~1985
7682819153656398 ~1985
7682879614630338 ~1986
76829511382931199 ~1987
7683037460982238 ~1986
76834212305026319 ~1988
7683479153669598 ~1985
7683653461019198 ~1986
7683839153676798 ~1985
7683899153677998 ~1985
7684207768420718 ~1986
911
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26-03-08