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

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MnStatusDetails
34733453Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
782976838727473475723272376.12015-11-16 05:19:39
LL
StatusDateUserResidueShift
Bad2006-03-01David Ballentine32C4F53DAC3F76884463437
Verified (Factored)2015-11-16Greg994EC592CBF9C8DF19146357
Verified (Factored)2015-12-05fireredd994EC592CBF9C8DF23172431
P-1 factors
DateFactorB1B2
2015-11-167829768387274734757232780000018000000
History
DateUserTypeResult
2015-12-05firereddC-LL
994EC592CBF9C8DF
2015-11-16GregC-LL
994EC592CBF9C8DF
2015-11-16mikrF-PM1
Factor: 78297683872747347572327 / (P-1, B1=800000, B2=18000000, E=12)
2015-10-26mikrNF
no factor from 2^71 to 2^72
2014-03-26chalsallNF
no factor from 2^70 to 2^71
2014-03-24bayanneNF
no factor from 2^69 to 2^70
2013-08-01Le ComteNF
no factor from 2^68 to 2^69