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

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MnStatusDetails
90350977Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
390351160071419756408234472685.02019-02-05 06:03:46
P-1 factors
DateFactorB1B2
2019-02-053903511600714197564082344774000014985000
History
DateUserTypeResult
2024-05-16James HeinrichNF
no factor from 2^68 to 2^69
2019-02-05Sergey NosovF-PM1
Factor: 39035116007141975640823447 / (P-1, B1=740000, B2=14985000, E=12)
2018-12-06tServoNF
no factor from 2^75 to 2^76
2018-12-06tServoNF
no factor from 2^74 to 2^75
2018-06-18Carsten KossendeyNF
no factor from 2^73 to 2^74
2016-12-10Carsten KossendeyNF
no factor from 2^72 to 2^73
2016-01-03Carsten KossendeyNF
no factor from 2^71 to 2^72
2014-11-24Earle LoweNF
no factor from 2^70 to 2^71
2013-12-01Carsten KossendeyNF
no factor from 2^69 to 2^70
2011-05-31Carsten KossendeyNF
no factor from 2^68 to 2^69
2010-12-16Carsten KossendeyNF
no factor from 2^67 to 2^68
2010-09-01Carsten KossendeyNF
no factor from 2^66 to 2^67
2010-07-04Carsten KossendeyNF
no factor from 2^65 to 2^66
2010-02-23Carsten KossendeyNF
no factor from 2^64 to 2^65