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
138652837Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 1170000
B2 = 1263916170
PRP
StatusDateUserResidueShiftTypeBase
Verified2025-09-01curtisc79D6D73E0FD07A9912477022013
History
DateUserTypeResult
2025-09-01ShafferCERT
PRP Certification
CERT proof power = 8
Proof certified good
2025-09-01curtiscC-PRP
79D6D73E0FD07A99
PRP proof power = 8
PRP: Verified
Proof certified good
2024-09-21Luke DurantNF-PM1
B1=1170000, B2=1263916170
2024-08-02Luke DurantNF
no factor from 2^76 to 2^77
2024-07-17SRBaseNF
no factor from 2^75 to 2^76
2023-01-15SRBaseNF
no factor from 2^74 to 2^75
2021-08-02SRBaseNF
no factor from 2^73 to 2^74
2020-10-25SRBaseNF
no factor from 2^72 to 2^73
2017-02-26workerthreadNF
no factor from 2^71 to 2^72
2017-02-21workerthreadNF
no factor from 2^70 to 2^71
2017-02-13proxy2222NF
no factor from 2^69 to 2^70
2017-01-22proxy2222NF
no factor from 2^68 to 2^69
2016-03-02dbaughNF
no factor from 2^67 to 2^68
2015-02-08vwflat4NF
no factor from 2^66 to 2^67
2012-11-18HardyP GermanyNF
no factor from 2^65 to 2^66
2010-12-04ANONYMOUSNF
no factor from 2^64 to 2^65