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
683347207Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3872173098274972970892168.42018-06-15 03:22:56
History
DateUserTypeResult
2018-06-15ConductorF
Factor: 387217309827497297089 / TF: 68-69
2016-11-02sasakiNF
no factor from 2^67 to 2^68
2014-07-28sasakiNF
no factor from 2^66 to 2^67
2014-02-03sasakiNF
no factor from 2^65 to 2^66
2012-01-31OS1NF
no factor from 2^64 to 2^65
2010-07-06Architects CubedNF
no factor from 2^63 to 2^64