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
142944679No known factors, not tested for primality
TF
No factors below 277
TF target 277
P-1
B1 = 833000
B2 = 85041180
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2025-07-30Dr Mamdouh Barakat on MBAi CloudPRP testPRP53.95 % 2025-10-17
History
DateUserTypeResult
2024-10-04Ryan PropperNF-PM1
B1=833000, B2=85041180
2024-09-171997rj7NF
no factor from 2^76 to 2^77
2024-01-041997rj7NF
no factor from 2^75 to 2^76
2023-01-27SRBaseNF
no factor from 2^74 to 2^75
2021-11-08SRBaseNF
no factor from 2^73 to 2^74
2020-10-25SRBaseNF
no factor from 2^72 to 2^73
2016-10-12workerthreadNF
no factor from 2^71 to 2^72
2016-10-10workerthreadNF
no factor from 2^70 to 2^71
2016-10-08Smok_bmv NF
no factor from 2^69 to 2^70
2016-10-07naturegeakNF
no factor from 2^68 to 2^69
2016-03-31dbaughNF
no factor from 2^67 to 2^68
2015-02-25tscNF
no factor from 2^66 to 2^67
2012-12-12sasaki3NF
no factor from 2^65 to 2^66
2010-12-19James HintzNF
no factor from 2^64 to 2^65
2010-06-17BattlemaxxNF
no factor from 2^63 to 2^64