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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
210787272107872719 ~1990
21078781354123520910 ~1993
21079181151770103310 ~1992
21079631421592638 ~1988
21079703421594078 ~1988
21079979421599598 ~1988
210803173372850739 ~1990
210806112108061119 ~1990
21080711421614238 ~1988
21080963421619278 ~1988
210813231011903504111 ~1994
21082151421643038 ~1988
210822771264936639 ~1989
210828011264968079 ~1989
21083039421660798 ~1988
21083831421676638 ~1988
21084083421681678 ~1988
21084611421692238 ~1988
21084923421698478 ~1988
21084971421699438 ~1988
21085249366883332710 ~1993
21085271421705438 ~1988
21085643421712878 ~1988
210859191686873539 ~1990
21085979421719598 ~1988
Exponent Prime Factor Digits Year
21086003421720078 ~1988
210864913373838579 ~1990
21087431421748638 ~1988
21087623421752478 ~1988
210884211265305279 ~1989
210887411265324479 ~1989
21088799421775998 ~1988
21089531421790638 ~1988
21090071421801438 ~1988
21090143421802878 ~1988
210905832109058319 ~1990
21091139421822798 ~1988
21091571421831438 ~1988
210919131265514799 ~1989
21092063421841278 ~1988
21092579421851598 ~1988
21092651421853038 ~1988
210933771687470179 ~1990
21093491421869838 ~1988
21093731421874638 ~1988
21094019421880398 ~1988
21094103421882078 ~1988
21094163421883278 ~1988
21094631421892638 ~1988
21095099421901998 ~1988
Exponent Prime Factor Digits Year
21095303421906078 ~1988
210953571265721439 ~1989
21095423421908478 ~1988
21095579421911598 ~1988
21096143421922878 ~1988
21096503421930078 ~1988
21096599421931998 ~1988
21097859421957198 ~1988
21097883421957678 ~1988
21098183421963678 ~1988
210986531265919199 ~1989
210988931265933599 ~1989
21099059421981198 ~1988
21099959421999198 ~1988
21100463422009278 ~1988
21100823422016478 ~1988
211009678204055969711 ~1996
21101123422022478 ~1988
21101651422033038 ~1988
21101771422035438 ~1988
211017793798320239 ~1991
211021872110218719 ~1990
21102239422044798 ~1988
21102311422046238 ~1988
21103139422062798 ~1988
Exponent Prime Factor Digits Year
211033911688271299 ~1990
211038432110384319 ~1990
211039371688314979 ~1990
21104243422084878 ~1988
21104399422087998 ~1988
211044011266264079 ~1989
21104591422091838 ~1988
21104819422096398 ~1988
21105499679597067910 ~1994
21105659422113198 ~1988
21105671422113438 ~1988
21105911422118238 ~1988
21106199422123998 ~1988
211064531266387199 ~1989
21106583422131678 ~1988
21106859422137198 ~1988
211073411266440479 ~1989
21107351422147038 ~1988
211074731266448399 ~1989
21108539422170798 ~1988
21109391422187838 ~1988
21109463422189278 ~1988
21109691422193838 ~1988
21109799422195998 ~1988
21110051422201038 ~1988
1450
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25-04-13