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
487971919Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4967667253713015777292168.82017-06-19 23:58:14
History
DateUserTypeResult
2025-03-07James HeinrichF
Factor: 496766725371301577729 / TF: 68-70
2017-06-19Alex_soldierF
Factor: 496766725371301577729 / TF: 68-69*
2016-07-01sasakiNF
no factor from 2^67 to 2^68
2016-04-03sasakiNF
no factor from 2^66 to 2^67
2014-10-21Thomas StorkNF
no factor from 2^65 to 2^66