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
143212843No known factors, not tested for primality
TF
No factors below 278
TF target 277
P-1
B1 = 1260000
B2 = 1545482070
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2025-08-13curtiscPRP testPRP17.94 % 2025-08-21
History
DateUserTypeResult
2024-11-16RichardNF
no factor from 2^77 to 2^78
2024-10-14Luke DurantNF
no factor from 2^76 to 2^77
2024-10-05Luke DurantNF-PM1
B1=1260000, B2=1545482070
2024-07-18SRBaseNF
no factor from 2^75 to 2^76
2023-02-03SRBaseNF
no factor from 2^74 to 2^75
2021-11-09SRBaseNF
no factor from 2^73 to 2^74
2020-10-25SRBaseNF
no factor from 2^72 to 2^73
2016-11-10XolotlNF
no factor from 2^71 to 2^72
2016-11-08XolotlNF
no factor from 2^70 to 2^71
2016-04-30Smok_bmv NF
no factor from 2^69 to 2^70
2016-04-16MatthaeusNF
no factor from 2^68 to 2^69
2016-03-31dbaughNF
no factor from 2^67 to 2^68
2015-02-25Thomas StorkNF
no factor from 2^66 to 2^67
2012-12-19RichardNF
no factor from 2^65 to 2^66
2010-12-19sasaki3NF
no factor from 2^64 to 2^65
2010-06-17Charles A. MorrisNF
no factor from 2^63 to 2^64