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
680918003Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4054205498842939794172168.52017-11-15 04:17:12
History
DateUserTypeResult
2017-11-15NipalF
Factor: 405420549884293979417 / TF: 68-70
2016-10-22sasakiNF
no factor from 2^67 to 2^68
2014-07-29sasakiNF
no factor from 2^66 to 2^67
2014-01-18sasakiNF
no factor from 2^65 to 2^66