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

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MnStatusDetails
90352289Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
61976282527745927025478442472892.32019-02-04 04:33:16
P-1 factors
DateFactorB1B2
2019-02-04619762825277459270254784424775000014062500
History
DateUserTypeResult
2024-05-16James HeinrichNF
no factor from 2^68 to 2^70
2019-02-04Smok_bmv F-PM1
Factor: 6197628252774592702547844247 / (P-1, B1=750000, B2=14062500)
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
2014-03-17Choi4KANGNF
no factor from 2^70 to 2^71
2011-03-01Carsten KossendeyNF
no factor from 2^69 to 2^70
2011-03-01Carsten KossendeyNF
no factor from 2^68 to 2^69
2010-12-19Carsten KossendeyNF
no factor from 2^67 to 2^68
2010-10-13Carsten KossendeyNF
no factor from 2^66 to 2^67
2010-07-07Carsten KossendeyNF
no factor from 2^65 to 2^66