Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
203536231Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
773199039792016232412066.12015-09-29 11:51:34
History
DateUserTypeResult
2024-03-17James HeinrichF
Factor: 77319903979201623241 / TF: 1-69
2015-09-29ConductorF
Factor: 77319903979201623241 / TF: 66-67
2013-07-26RichardNF
no factor from 2^65 to 2^66
2011-05-07EPFNF
no factor from 2^64 to 2^65