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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
62729993011039539 ~1987
6273023125460478 ~1984
62730374014743699 ~1988
6273161376389678 ~1985
62731613889359839
6273359125467198 ~1984
62734331882029919 ~1987
6273539125470798 ~1984
6273623125472478 ~1984
62737931003806899 ~1986
6274211125484238 ~1984
6274799125495998 ~1984
62748431003974899 ~1986
6274973878496238 ~1986
6274993376499598 ~1985
62756031506144739 ~1987
6275701376542078 ~1985
6275821376549278 ~1985
6275891125517838 ~1984
6275953376557198 ~1985
6276131125522638 ~1984
6276497502119778 ~1986
6276563125531278 ~1984
6276671502133698 ~1986
6276841376610478 ~1985
Exp. Prime Factor Digits Year
6277001502160098 ~1986
62770271129864879 ~1986
62773391506561379 ~1987
6277361376641678 ~1985
6277451125549038 ~1984
6277559125551198 ~1984
6277639627763918 ~1986
6277727502218178 ~1986
62780531004488499 ~1986
6278099125561998 ~1984
6278231125564638 ~1984
6278243125564878 ~1984
62784971883549119 ~1987
62785132009124179 ~1987
6278561376713678 ~1985
6278681376720878 ~1985
6279197502335778 ~1986
6279257502340578 ~1986
6279263125585278 ~1984
6279551125591038 ~1984
6279803125596078 ~1984
6279941376796478 ~1985
6280091125601838 ~1984
6280441376826478 ~1985
6280511125610238 ~1984
Exp. Prime Factor Digits Year
6280777376846638 ~1985
6281161376869678 ~1985
6281339125626798 ~1984
6281459125629198 ~1984
6281519125630398 ~1984
62815792638263199 ~1987
6281591125631838 ~1984
6282071125641438 ~1984
6282377502590178 ~1986
62829611005273779 ~1986
6283019502641538 ~1986
6283157376989438 ~1985
6283253879655438 ~1986
6283273376996398 ~1985
6283331125666638 ~1984
6283379125667598 ~1984
6283811125676238 ~1984
6283841502707298 ~1986
6284017377041038 ~1985
6284123125682478 ~1984
6284527628452718 ~1986
6284549502763938 ~1986
6284717377083038 ~1985
6284903125698078 ~1984
62852771005644339 ~1986
Exp. Prime Factor Digits Year
62855271131394879 ~1986
6285557502844578 ~1986
6285613377136798 ~1985
6285659125713198 ~1984
6285791125715838 ~1984
6285841377150478 ~1985
6286019502881538 ~1986
62862291508694979 ~1987
6286331125726638 ~1984
6286697377201838 ~1985
6287033377221998 ~1985
6287273377236398 ~1985
6287459502996738 ~1986
6287573377254398 ~1985
6287581377254878 ~1985
6287639125752798 ~1984
6287783125755678 ~1984
6287849503027938 ~1986
6287893377273598 ~1985
6288119503049538 ~1986
62881998174658719 ~1988
6288311125766238 ~1984
62883131383428879 ~1987
6288323125766478 ~1984
62883491509203779 ~1987
757
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24-10-27