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

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MnStatusDetails
39344507Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
139698012478922441094472373.62020-02-14 20:09:12
LL
StatusDateUserResidueShift
Verified (Factored)2009-07-08ANONYMOUSCFF889FCBF42007A8693272
Verified (Factored)2016-11-28Sergey NosovCFF889FCBF42007A4442002
History
DateUserTypeResult
2020-02-14-Anonymous-F
Factor: 13969801247892244109447 / TF: 73-74*
2019-10-11-Anonymous-NF
no factor from 2^72 to 2^73
2019-08-03monstNF
no factor from 2^71 to 2^72
2016-11-28Sergey NosovC-LL
CFF889FCBF42007A
2014-12-12The MawnNF
no factor from 2^70 to 2^71
2014-12-03Mark RoseNF
no factor from 2^69 to 2^70
2013-10-11VictordeHollanderNF
no factor from 2^68 to 2^69
2009-07-08ANONYMOUSC-LL
CFF889FCBF42007A
2009-04-28ANONYMOUSNF-PM1
B1=635000