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
493982399Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
3062704139796121624812168.12017-06-20 23:14:44
4496198649244632155032168.62025-03-07 15:20:08
History
DateUserTypeResult
2025-03-07James HeinrichF
Factors: 306270413979612162481,449619864924463215503 / TF: 68-70
2017-06-20Alex_soldierF
Factor: 306270413979612162481 / TF: 68-69*
2016-05-01sasakiNF
no factor from 2^67 to 2^68
2015-12-03abcNF
no factor to 2^67
2014-10-27La GüiraNF
no factor from 2^65 to 2^66