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
644005667Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1552751700995632189672167.12016-12-03 14:29:17
History
DateUserTypeResult
2016-12-03ConductorF
Factor: 155275170099563218967 / TF: 67-68
2014-06-08sasakiNF
no factor from 2^66 to 2^67
2014-03-14america64NF
no factor from 2^65 to 2^66
2010-11-03Architects CubedNF
no factor from 2^64 to 2^65
2010-07-29Architects CubedNF
no factor from 2^63 to 2^64