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
90230533Factored
FactorDigitsBitsDate
1867928426815817769822519871724730686707341133.82019-01-03 01:06:17
P-1 factors
DateFactorB1B2
2019-01-031867928426815817769822519871724730686707374000014800000
History
DateUserTypeResult
2019-01-03CuboxF-PM1
Factor: 18679284268158177698225198717247306867073 / (P-1, B1=740000, B2=14800000, E=12)
2018-11-30tServoNF
no factor from 2^75 to 2^76
2018-11-30tServoNF
no factor from 2^74 to 2^75
2018-03-03Carsten KossendeyNF
no factor from 2^73 to 2^74
2016-10-12Carsten KossendeyNF
no factor from 2^72 to 2^73
2015-10-18Carsten KossendeyNF
no factor from 2^71 to 2^72
2013-07-29Carsten KossendeyNF
no factor from 2^70 to 2^71
2013-07-29Carsten KossendeyNF
no factor from 2^69 to 2^70
2011-05-24Carsten KossendeyNF
no factor from 2^68 to 2^69
2010-11-17Carsten KossendeyNF
no factor from 2^67 to 2^68
2010-07-11Carsten KossendeyNF
no factor from 2^66 to 2^67
2010-01-17Carsten KossendeyNF
no factor from 2^65 to 2^66