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
138028039No known factors, not tested for primality
TF
No factors below 277
TF target 277
P-1
B1 = 1172000
B2 = 1170060870
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2025-08-06ResolverPRP test0.00 % 2025-08-07
History
DateUserTypeResult
2024-09-19Luke DurantNF-PM1
B1=1172000, B2=1170060870
2024-07-29Luke DurantNF
no factor from 2^76 to 2^77
2024-07-17SRBaseNF
no factor from 2^75 to 2^76
2023-01-13SRBaseNF
no factor from 2^74 to 2^75
2021-08-05SRBaseNF
no factor from 2^73 to 2^74
2020-10-27SRBaseNF
no factor from 2^72 to 2^73
2016-04-10Choi4KANGNF
no factor from 2^71 to 2^72
2016-02-19dbaughNF
no factor from 2^70 to 2^71
2014-12-28La GüiraNF
no factor from 2^69 to 2^70
2014-12-28La GüiraNF
no factor from 2^68 to 2^69
2014-12-28La GüiraNF
no factor from 2^67 to 2^68
2014-12-12snme2pm1NF
no factor from 2^66 to 2^67
2012-12-12omiXorpNF
no factor from 2^65 to 2^66
2010-12-01sasaki3NF
no factor from 2^64 to 2^65
2010-06-11zygNF
no factor from 2^63 to 2^64