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
141947587No known factors, not tested for primality
TF
No factors below 277
TF target 277
P-1
B1 = 1209000
B2 = 1421607660
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2025-06-17-Anonymous-PRP test0.00 % 2025-06-17
History
DateUserTypeResult
2024-10-02Luke DurantNF-PM1
B1=1209000, B2=1421607660
2024-09-07Luke DurantNF
no factor from 2^76 to 2^77
2023-12-121997rj7NF
no factor from 2^75 to 2^76
2023-01-21SRBaseNF
no factor from 2^74 to 2^75
2021-11-07SRBaseNF
no factor from 2^73 to 2^74
2020-10-25SRBaseNF
no factor from 2^72 to 2^73
2017-02-16Ilya AlexandrovNF
no factor from 2^71 to 2^72
2017-02-16Ilya AlexandrovNF
no factor from 2^70 to 2^71
2017-02-11JoDuNF
no factor from 2^69 to 2^70
2017-02-05JoDuNF
no factor from 2^68 to 2^69
2016-03-25dbaughNF
no factor from 2^67 to 2^68
2015-02-22Karol TNF
no factor from 2^66 to 2^67
2012-12-07tscNF
no factor from 2^65 to 2^66
2010-12-17RichardNF
no factor from 2^64 to 2^65
2010-06-15Charles A. MorrisNF
no factor from 2^63 to 2^64