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

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MnStatusDetails
46689509Factored
FactorDigitsBitsDate
219835661067069715967415192684.22019-04-04 12:58:28
LL
StatusDateUserResidueShift
Bad2010-05-25-Anonymous-051C476CD189129324583979
Verified (Factored)2017-10-16paddymahoney8E0869F2B091236429481625
Verified (Factored)2017-11-21MadPoo8E0869F2B091236431536139
Verified (Factored)2017-12-20Evgeniy Zavialov8E0869F2B091236412391965
P-1 factors
DateFactorB1B2
2019-04-042198356610670697159674151910000000
History
DateUserTypeResult
2019-04-04Sid & AndyF-PM1
Factor: 21983566106706971596741519 / (P-1, B1=1000000)
2017-12-20Evgeniy ZavialovC-LL
8E0869F2B0912364
2017-11-21MadPooC-LL
8E0869F2B0912364
2017-10-16paddymahoneyC-LL
8E0869F2B0912364
2017-10-10Mark RoseNF
no factor from 2^72 to 2^73
2015-12-06AirSquirrelsNF
no factor from 2^71 to 2^72
2015-12-06AirSquirrelsNF
no factor from 2^70 to 2^71
2015-07-13Gordon SpenceNF
no factor from 2^69 to 2^70
2014-09-02VictordeHollanderNF
no factor from 2^68 to 2^69
2010-05-25-Anonymous-C-LL
051C476CD1891293
2009-10-09-Anonymous-NF-PM1
B1=795000