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
696996557Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4064606808254069317212168.52017-09-09 20:25:49
History
DateUserTypeResult
2025-03-06James HeinrichF
Factor: 406460680825406931721 / TF: 68-70
2022-08-01LordJuliusNF
no factor from 2^62 to 2^63
2017-09-09Alex_soldierF
Factor: 406460680825406931721 / TF: 68-69*
2014-09-20sasakiNF
no factor from 2^66 to 2^68
2013-12-02sasakiNF
no factor from 2^65 to 2^66
2012-01-29laleraNF
no factor from 2^64 to 2^65
2010-07-18Architects CubedNF
no factor from 2^63 to 2^64