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
975138223Composite: 5 known prime factors
Factored
FactorDigitsBitsDate
40752118493979771651.92008-06-10 21:45:35
47656175123877611652.12008-06-10 21:45:35
2678260289087249991857.92015-07-25 14:28:54
38916469253551943111961.82015-12-30 15:14:05
299560844156260398412064.72015-12-30 15:14:06
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
2022-08-01J.R. AllenNF
no factor from 2^65 to 2^66
2019-06-16Seth_TrNF
no factor from 2^66 to 2^67
2015-12-30ConductorF
Factor: 29956084415626039841 / TF: 1-65
2015-12-30ConductorF
Factor: 3891646925355194311 / TF: 1-65
2015-07-25TJAOIF
Factor: 267826028908724999 / TF: 57-58