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

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MnStatusDetails
40623701Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
65224904876983086357372272.52019-01-11 21:27:29
LL
StatusDateUserResidueShift
Verified (Factored)2008-04-04William Fay36090BCD9CBA5E6140091504
Verified (Factored)2017-04-11Evgeniy Zavialov36090BCD9CBA5E614691307
P-1 factors
DateFactorB1B2
2019-01-11652249048769830863573756500011865000
History
DateUserTypeResult
2019-01-11Architects CubedF-PM1
Factor: 6522490487698308635737 / (P-1, B1=565000, B2=11865000, E=12)
2017-04-11Evgeniy ZavialovC-LL
36090BCD9CBA5E61
2015-05-25el groccoNF
no factor from 2^71 to 2^72
2014-12-29NickOfTimeNF
no factor from 2^70 to 2^71
2014-12-29NickOfTimeNF
no factor from 2^69 to 2^70
2013-11-08VictordeHollanderNF
no factor from 2^68 to 2^69