Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
664014647Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
15725677925624075326072270.42016-12-06 18:02:50
History
DateUserTypeResult
2025-03-16James HeinrichF
Factor: 1572567792562407532607 / TF: 70-71
2016-12-06ConductorF
Factor: 1572567792562407532607 / TF: 70-71*
2012-01-20laleraNF
no factor from 2^69 to 2^70
2011-12-23america64NF
no factor from 2^68 to 2^69
2011-10-16laleraNF
no factor from 2^67 to 2^68
2011-07-28laleraNF
no factor from 2^66 to 2^67
2011-05-13laleraNF
no factor from 2^65 to 2^66
2011-05-07laleraNF
no factor from 2^64 to 2^65
2010-06-12Architects CubedNF
no factor from 2^63 to 2^64