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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
6821159136423198 ~1984
68213894774972319 ~1988
6821537409292238 ~1986
6821543136430878 ~1984
6821677409300638 ~1986
6821693409301598 ~1986
68220175457613619 ~1988
6822323136446478 ~1984
6822371545789698 ~1986
6822377409342638 ~1986
6822719545817538 ~1986
6823199545855938 ~1986
6823259136465198 ~1984
6823391136467838 ~1984
6823931136478638 ~1984
6824393409463598 ~1986
6824459136489198 ~1984
6824717545977378 ~1986
68247233412361519 ~1988
68247591228456639 ~1987
68247719418183999 ~1989
6825067682506718 ~1986
6825167181549442310 ~1990
6825257409515438 ~1986
6825257546020578
Exp. Prime Factor Digits Year
6825629955588078 ~1986
6825703109211248110 ~1989
6825971136519438 ~1984
6826441409586478 ~1986
6826801409608078 ~1986
6826829546146338 ~1986
6827027546162178 ~1986
6827231136544638 ~1984
6827363136547278 ~1984
68273639831402739
6827399136547998 ~1984
6827519136550398 ~1984
6827567546205378 ~1986
6827603136552078 ~1984
6827759136555198 ~1984
6827867546229378 ~1986
68279231092467699 ~1987
6827993409679598 ~1986
6828071136561438 ~1984
6828077409684638 ~1986
6828131136562638 ~1984
68282931638790339 ~1987
6828377409702638 ~1986
6828599546287938 ~1986
6828743136574878 ~1984
Exp. Prime Factor Digits Year
68288692594970239 ~1987
6828911136578238 ~1984
6829267682926718 ~1986
6829271136585438 ~1984
6829391136587838 ~1984
6830339546427138 ~1986
6830423136608478 ~1984
6830497409829838 ~1986
6830777546462178 ~1986
6830897409853838 ~1986
6831131136622638 ~1984
6831173409870398 ~1986
68312771639506499 ~1987
6831479136629598 ~1984
6831491136629838 ~1984
6831557546524578 ~1986
6831703683170318 ~1986
6831857546548578 ~1986
6831899136637998 ~1984
6831911136638238 ~1984
6831971136639438 ~1984
68319911093118579 ~1987
68320691639696579 ~1987
6832151136643038 ~1984
6832201409932078 ~1986
Exp. Prime Factor Digits Year
6832379136647598 ~1984
6832811136656238 ~1984
6833011683301118 ~1986
6833069546645538 ~1986
6833261546660898 ~1986
68336991640087779 ~1987
6833909546712738 ~1986
6833993410039598 ~1986
6834083136681678 ~1984
6834277410056638 ~1986
68345592323750079 ~1987
6834613410076798 ~1986
6835319136706398 ~1984
6835537410132238 ~1986
6835571136711438 ~1984
6835691546855298 ~1986
6835931136718638 ~1984
6836003136720078 ~1984
6836111136722238 ~1984
6836243136724878 ~1984
6836293410177598 ~1986
6836411136728238 ~1984
68365632734625219 ~1988
6836603136732078 ~1984
6836693410201598 ~1986
825
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25-07-08