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
977527171Composite: 5 known prime factors
Factored
FactorDigitsBitsDate
156404347371133.92008-06-01 01:40:03
921221605950411446.42008-06-03 19:32:50
90910965329084171653.02008-06-03 19:32:51
356169532162523291755.02014-07-17 16:35:04
36731344846238491911961.72015-12-23 17:28:14
History
DateUserTypeResult
2023-06-11LordJuliusNF
no factor from 2^75 to 2^76
2023-06-11LordJuliusNF
no factor from 2^74 to 2^75
2023-03-18mikrNF
no factor from 2^67 to 2^74
2022-08-14J.R. AllenNF
no factor from 2^62 to 2^66
2019-06-16Seth_TrNF
no factor from 2^66 to 2^67
2015-12-23ConductorF
Factor: 3673134484623849191 / TF: 1-62
2014-07-17pdazzlF
Factor: 35616953216252329 / TF: 1-60