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
665663711Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4096880346558325248492168.52018-03-03 20:14:54
History
DateUserTypeResult
2018-03-03ConductorF
Factor: 409688034655832524849 / TF: 68-69
2016-03-19america64NF
no factor from 2^67 to 2^68
2014-04-29sasakiNF
no factor from 2^66 to 2^67
2011-11-04laleraNF
no factor from 2^65 to 2^66
2011-06-24laleraNF
no factor from 2^64 to 2^65
2010-06-07Architects CubedNF
no factor from 2^63 to 2^64