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
676005817Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3909486806065430025772168.42017-09-13 23:26:29
History
DateUserTypeResult
2025-03-06James HeinrichF
Factor: 390948680606543002577 / TF: 68-70
2017-09-13Alex_soldierF
Factor: 390948680606543002577 / TF: 68-69*
2016-12-19ANONYMOUSNF
no factor from 2^67 to 2^68
2014-07-17sasakiNF
no factor from 2^66 to 2^67
2014-01-04sasakiNF
no factor from 2^65 to 2^66