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
138580327No known factors, not tested for primality
TF
No factors below 277
TF target 277
P-1
B1 = 685000
B2 = 31584420
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2025-07-30R. ForsénPRP testPRP21.36 % 2025-10-13
History
DateUserTypeResult
2024-09-21Ryan PropperNF-PM1
B1=685000, B2=31584420
2024-07-31Luke DurantNF
no factor from 2^76 to 2^77
2024-07-16SRBaseNF
no factor from 2^75 to 2^76
2023-01-13SRBaseNF
no factor from 2^74 to 2^75
2021-08-02SRBaseNF
no factor from 2^73 to 2^74
2020-10-23SRBaseNF
no factor from 2^72 to 2^73
2016-09-24Smok_bmv NF
no factor from 2^71 to 2^72
2016-09-17nate.andersNF
no factor from 2^70 to 2^71
2016-09-11Adam BuranNF
no factor from 2^69 to 2^70
2016-09-09noknoNF
no factor from 2^68 to 2^69
2016-03-02dbaughNF
no factor from 2^67 to 2^68
2015-02-10el groccoNF
no factor from 2^66 to 2^67
2012-12-31Team_InspectorNF
no factor from 2^65 to 2^66
2010-12-04RichardNF
no factor from 2^64 to 2^65
2010-06-12WPSNF
no factor from 2^63 to 2^64