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
999521921Composite: 3 known prime factors
Factored
FactorDigitsBitsDate
1907707528859031547.42008-06-02 20:46:59
110455648216390091753.32014-09-16 11:22:28
46520444574601562871962.02015-12-25 20:49:28
History
DateUserTypeResult
2025-03-11mikrNF
no factor from 2^69 to 2^71
2022-09-27onlinegameNF
no factor from 2^68 to 2^69
2022-04-07James HeinrichF
Factor: 11045564821639009 / TF: 1-67
2022-04-07James HeinrichF
Factor: 190770752885903 / TF: 1-67
2022-04-07James HeinrichF
Factor: 4652044457460156287 / TF: 1-67
2021-12-22ViliamFNF
no factor from 2^67 to 2^68
2015-12-25ConductorF
Factor: 4652044457460156287 / TF: 1-62
2014-09-16TJAOIF
Factor: 11045564821639009 / TF: 53-54