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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
1807237108434238 ~1981
180739136147837 ~1980
1807397253035598 ~1982
1807499144599938 ~1981
1807511578403538 ~1983
1807693108461598 ~1981
1807723180772318 ~1982
1807781578489938 ~1983
1807829253096078 ~1982
1807853253099438 ~1982
1807969723187618 ~1983
180800336160077 ~1980
180803936160797 ~1980
1808039144643138
1808071289291378 ~1982
1808077108484638 ~1981
1808117687084478 ~1983
1808453253183438 ~1982
1808479180847918 ~1982
1808549253196878 ~1982
1808581289372978 ~1982
1808813108528798 ~1981
1808831144706498 ~1981
180884336176877 ~1980
18088692568593999 ~1984
Exp. Prime Factor Digits Year
180895136179037 ~1980
1809373289499698 ~1982
1809403723761218 ~1983
18094192750316899 ~1984
1809461868541298 ~1983
180955136191037 ~1980
1809551325719198
1809553434292738 ~1982
1809631180963118 ~1982
1809853108591198 ~1981
1809911760162638 ~1983
1810001144800098 ~1981
1810097108605838 ~1981
181028336205677 ~1980
1810397144831778 ~1981
1810397687950878
1810423434501538 ~1982
181043936208797 ~1980
1810747181074718 ~1982
1810979144878338 ~1981
1810981108658878 ~1981
1811083434659938 ~1982
181121936224397 ~1980
181129136225837 ~1980
1811323181132318 ~1982
Exp. Prime Factor Digits Year
1811413108684798 ~1981
18114313224347199 ~1985
1811443289830898 ~1982
1811473108688398 ~1981
1811567144925378 ~1981
1811657253631998 ~1982
1811683103265931110 ~1986
18117236522202819 ~1985
1811737108704238 ~1981
181175936235197 ~1980
181181936236397 ~1980
1812137253699198 ~1982
1812383434971938 ~1982
18123832609831539
1812403181240318 ~1982
18124572138699279 ~1984
1812541108752478 ~1981
181268336253677 ~1980
1812869145029538 ~1981
1812989145039138 ~1981
181313936262797 ~1980
181331936266397 ~1980
181358336271677 ~1980
1813613253905838 ~1982
18139014026860239 ~1985
Exp. Prime Factor Digits Year
181400336280077 ~1980
18140232031705779 ~1984
1814107435385698 ~1982
1814119181411918 ~1982
1814129145130338 ~1981
1814233435415938 ~1982
18142371560243839 ~1984
181433936286797 ~1980
1814339326581038
1814357108861438 ~1981
1814381145150498 ~1981
1814459145156738 ~1981
181453136290637 ~1980
181465136293037 ~1980
181475936295197 ~1980
1814777108886638 ~1981
181508336301677 ~1980
181517936303597 ~1980
1815179145214338
181549136309837 ~1980
1815599145247938 ~1981
1815691326824398 ~1982
18157332614655539 ~1984
1815799326843838 ~1982
181589936317997 ~1980
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25-06-01