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
143445257No known factors, not tested for primality
TF
No factors below 278
TF target 277
P-1
B1 = 885000
B2 = 92330280
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2025-09-25-Anonymous-PRP testPRP0.01 % 2025-09-25
History
DateUserTypeResult
2024-11-17A CuneoNF
no factor from 2^77 to 2^78
2024-11-01ihnlNF
no factor from 2^76 to 2^77
2024-10-06Ryan PropperNF-PM1
B1=885000, B2=92330280
2024-07-17SRBaseNF
no factor from 2^75 to 2^76
2024-05-19Jarod McClintockNF
no factor from 2^70 to 2^71
2023-01-27SRBaseNF
no factor from 2^74 to 2^75
2021-11-09SRBaseNF
no factor from 2^73 to 2^74
2020-10-26SRBaseNF
no factor from 2^72 to 2^73
2016-12-16symalladNF
no factor from 2^71 to 2^72
2016-12-09ConductorNF
no factor from 2^70 to 2^71
2016-12-09La GüiraNF
no factor from 2^69 to 2^70
2016-04-23Andreas_TruetschNF
no factor from 2^68 to 2^69
2016-04-04dbaughNF
no factor from 2^67 to 2^68
2015-02-26aurashiftNF
no factor from 2^66 to 2^67
2012-12-15Charles A. MorrisNF
no factor from 2^65 to 2^66
2010-12-20sasaki3NF
no factor from 2^64 to 2^65
2010-06-17Charles A. MorrisNF
no factor from 2^63 to 2^64