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
39430591Factored
FactorDigitsBitsDate
40919972080873765746072271.82019-08-05 14:55:08
LL
StatusDateUserResidueShift
Verified (Factored)2008-06-22David Pike04946970828243E620265798
Verified (Factored)2016-12-05Sergey Nosov04946970828243E611089267
History
DateUserTypeResult
2019-08-05monstF
Factor: 4091997208087376574607 / TF: 71-72*
2016-12-05Sergey NosovC-LL
04946970828243E6
2014-12-11chalsallNF
no factor from 2^70 to 2^71
2014-12-08VictordeHollanderNF
no factor from 2^69 to 2^70
2013-09-22Le ComteNF
no factor from 2^68 to 2^69