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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
7403843148076878 ~1985
7404307740430718 ~1986
74043891036614479 ~1987
7404437444266238 ~1986
7404731148094638 ~1985
7404899148097998 ~1985
7405477444328638 ~1986
74055011184880179 ~1987
74055071777321699 ~1987
74055111925432879 ~1987
7405571148111438 ~1985
7405613444336798 ~1986
74056131036785839
7405639740563918 ~1986
74056674147173539 ~1988
7405691148113838 ~1985
7405757444345438 ~1986
74059971036839599 ~1987
7406041444362478 ~1986
7406099148121998 ~1985
7406111148122238 ~1985
74062971036881599 ~1987
7406309592504738 ~1986
7406351148127038 ~1985
7406579148131598 ~1985
Exp. Prime Factor Digits Year
7406603148132078 ~1985
7406807592544578 ~1986
7406957592556578 ~1986
7406963148139278 ~1985
7407097444425838 ~1986
7407299592583938 ~1986
7407611148152238 ~1985
7407637444458238 ~1986
7407761592620898 ~1986
7407979740797918 ~1986
7408087740808718 ~1986
7408241592659298 ~1986
7408301444498078 ~1986
7408301592664098
74086491037210879 ~1987
7408813444528798 ~1986
7408853444531198 ~1986
7408883148177678 ~1985
7409431740943118 ~1986
7409911740991118 ~1986
7410187189700787310 ~1990
7410191592815298 ~1986
7410281444616878 ~1986
7410553444633198 ~1986
7410569592845538 ~1986
Exp. Prime Factor Digits Year
7410743148214878 ~1985
7410857444651438 ~1986
74113992964559619 ~1988
7411667592933378 ~1986
7411687741168718 ~1986
7411823148236478 ~1985
7412159148243198 ~1985
7412183148243678 ~1985
7412341444740478 ~1986
7412351592988098 ~1986
7412593444755598 ~1986
7412653444759198 ~1986
7412681444760878 ~1986
7412843148256878 ~1985
7412857444771438 ~1986
7412891593031298 ~1986
7412921444775278 ~1986
74129711186075379 ~1987
7413053444783198 ~1986
74131871779164899 ~1987
74132773558372979 ~1988
7413359148267198 ~1985
7413443148268878 ~1985
7413641444818478 ~1986
7413811741381118 ~1986
Exp. Prime Factor Digits Year
7413871741387118 ~1986
74140372817334079 ~1988
74142171037990399 ~1987
7414523148290478 ~1985
74146131038045839 ~1987
7414711741471118 ~1986
7414937444896238 ~1986
7415183148303678 ~1985
7415257444915438 ~1986
7415423148308478 ~1985
7415803741580318 ~1986
74158391334851039 ~1987
7415861444951678 ~1986
7415977444958638 ~1986
7416191148323838 ~1985
74163074746436499 ~1988
7416377444982638 ~1986
7416443148328878 ~1985
7416571741657118 ~1986
7416869593349538 ~1986
7417021445021278 ~1986
7417169593373538 ~1986
7417357445041438 ~1986
7417439593395138 ~1986
74175076527406179 ~1989
893
GIMPS The Prime Pages FactorDb.com
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26-03-15