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
977468483Factored
FactorDigitsBitsDate
12667991539691340.22008-05-30 06:26:51
14830933798862411650.42008-05-30 06:26:50
555322131473712411755.62015-02-04 12:22:58
16208400526921044491960.52015-12-23 16:58:22
History
DateUserTypeResult
2023-05-28mikrNF
no factor from 2^67 to 2^73
2015-12-23ConductorF
Factor: 1620840052692104449 / TF: 1-62
2015-02-04TJAOIF
Factor: 55532213147371241 / TF: 55-56