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
977041649Composite: 3 known prime factors
Factored
FactorDigitsBitsDate
270756746106732071754.62008-05-27 23:31:45
292599977732600571754.72008-05-27 23:31:45
12606044350562592071960.12015-12-22 20:46:57
History
DateUserTypeResult
2015-12-22ConductorF
Factor: 1260604435056259207 / TF: 1-62