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
604003657Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
19704877563840026635512270.72016-12-21 07:13:31
History
DateUserTypeResult
2016-12-21ConductorF
Factor: 1970487756384002663551 / TF: 70-71
2016-08-15sasakiNF
no factor from 2^67 to 2^70
2013-01-14AxelssonNF
no factor from 2^66 to 2^67
2012-09-05AxelssonNF
no factor from 2^65 to 2^66
2012-01-10mmNF
no factor from 2^64 to 2^65
2010-06-23Architects CubedNF
no factor from 2^63 to 2^64