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
673072859Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
3053998937712786859432168.02018-04-09 19:06:46
5378340721506073570572168.92018-04-09 19:06:45
History
DateUserTypeResult
2018-04-09ConductorF
Factor: 305399893771278685943 / TF: 68-69
2018-04-09ConductorF
Factor: 537834072150607357057 / TF: 68-69
2017-01-05NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-07-10sasakiNF
no factor from 2^66 to 2^67
2013-12-26sasakiNF
no factor from 2^65 to 2^66
2012-01-25sasaki3NF
no factor from 2^64 to 2^65
2010-07-26Architects CubedNF
no factor from 2^63 to 2^64