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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
998042009Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
389007176542321091700312375.02024-11-27 18:55:30
History
DateUserTypeResult
2024-11-27zhangst--chinaF
Factor: 38900717654232109170031 / TF: 75-76
2024-03-13JacobZNF
no factor from 2^74 to 2^75
2021-11-21Lisander ViaeneNF
no factor from 2^73 to 2^74
2021-01-20ViliamFNF
no factor from 2^72 to 2^73
2020-06-15Frank DoorninkNF
no factor from 2^71 to 2^72
2012-02-04lindeeNF
no factor from 2^69 to 2^71
2011-04-19lindeeNF
no factor from 2^67 to 2^69
2010-12-23lindeeNF
no factor from 2^66 to 2^67
2010-10-04lindeeNF
no factor from 2^65 to 2^66
2010-08-06lindedNF
no factor from 2^64 to 2^65