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
203555921Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
824946761054882103832066.22015-09-29 11:51:35
History
DateUserTypeResult
2024-03-17James HeinrichF
Factor: 82494676105488210383 / TF: 1-69
2015-09-29ConductorF
Factor: 82494676105488210383 / TF: 66-67
2013-07-21Mr-PlonkNF
no factor from 2^65 to 2^66
2011-05-05c10ck3rNF
no factor from 2^64 to 2^65