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

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MnStatusDetails
42019207Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
66912451985404037847372272.52019-04-20 05:37:49
LL
StatusDateUserResidueShift
Bad2008-05-22Chris Aitken95468D4A441B2A8729847023
Verified (Factored)2015-08-08Architects CubedDF5693832E69A1DC21188068
Verified (Factored)2016-08-01ATHDF5693832E69A1DC21012462
History
DateUserTypeResult
2019-04-20ConductorF
Factor: 6691245198540403784737 / TF: 72-73
2016-08-01ATHC-LL
DF5693832E69A1DC
2015-08-08Architects CubedC-LL
DF5693832E69A1DC
2015-07-24Mark RoseNF
no factor from 2^71 to 2^72
2015-02-26David CampeauNF
no factor from 2^70 to 2^71
2015-01-15chalsallNF
no factor from 2^69 to 2^70
2014-01-06Torben K.NF
no factor from 2^68 to 2^69