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
977011439Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
35895400268871341.72008-05-27 23:07:48
20502128919854588471960.82015-12-22 17:10:20
History
DateUserTypeResult
2015-12-22ConductorF
Factor: 2050212891985458847 / TF: 1-62