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
137998489Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 1169000
B2 = 1295197530
PRP
StatusDateUserResidueShiftTypeBase
Verified2025-05-14George WoltmanB8731889BB2B5C39013
History
DateUserTypeResult
2025-05-14NelpratCERT
PRP Certification
CERT proof power = 10
Proof certified good
2025-05-14George WoltmanC-PRP
B8731889BB2B5C39
PRP proof power = 10
PRP: Verified
Proof certified good
2024-09-19Luke DurantNF-PM1
B1=1169000, B2=1295197530
2024-07-09Luke DurantNF
no factor from 2^76 to 2^77
2022-09-16storm5510NF
no factor from 2^74 to 2^76
2021-08-02SRBaseNF
no factor from 2^73 to 2^74
2020-12-01SRBaseNF
no factor from 2^72 to 2^73
2016-10-09kevshawNF
no factor from 2^71 to 2^72
2016-10-03DerekNF
no factor from 2^70 to 2^71
2016-10-02naturegeakNF
no factor from 2^69 to 2^70
2016-04-01Choi4KANGNF
no factor from 2^68 to 2^69
2016-03-02dbaughNF
no factor from 2^67 to 2^68
2015-02-06tscNF
no factor from 2^66 to 2^67
2012-11-15Le ComteNF
no factor from 2^65 to 2^66
2010-12-02Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-06-11Mr-PlonkNF
no factor from 2^63 to 2^64