Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
162570323No known factors, not tested for primality
TF
No factors below 276
TF target 278
P-1
B1 = 1401000
B2 = 1406622360
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2025-09-04GPU Factoringtrial factoring0.00 % 2025-09-04
History
DateUserTypeResult
2024-10-07Luke DurantNF-PM1
B1=1401000, B2=1406622360
2024-09-01SRBaseNF
no factor from 2^75 to 2^76
2023-03-04SRBaseNF
no factor from 2^74 to 2^75
2021-12-07SRBaseNF
no factor from 2^73 to 2^74
2017-12-26Craig JohnsonNF
no factor from 2^72 to 2^73
2017-12-24ITSNF
no factor from 2^71 to 2^72
2017-12-23ITSNF
no factor from 2^70 to 2^71
2017-12-23AvoNF
no factor from 2^69 to 2^70
2017-04-02WileECoyoteNF
no factor from 2^68 to 2^69
2016-05-22subgeniusNF
no factor from 2^67 to 2^68
2015-07-18Khalid al-HazmiNF
no factor from 2^66 to 2^67
2013-03-02tscNF
no factor from 2^65 to 2^66
2011-02-05sasaki3NF
no factor from 2^64 to 2^65
2010-07-01sasaki3NF
no factor from 2^63 to 2^64