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
671266357Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4181487409540309358892168.52018-04-01 08:27:34
History
DateUserTypeResult
2018-04-01ConductorF
Factor: 418148740954030935889 / TF: 68-69
2017-01-14NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-07-06sasakiNF
no factor from 2^66 to 2^67
2013-04-19ramgeisNF
no factor from 2^65 to 2^66
2012-01-24Andrew BNF
no factor from 2^64 to 2^65
2010-07-25Architects CubedNF
no factor from 2^63 to 2^64