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
140022439Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 814000
B2 = 82801530
PRP
StatusDateUserResidueShiftTypeBase
Verified2025-07-03lou_chengkaiA8B087F24CF60E0A9225679313
History
DateUserTypeResult
2025-07-04Johannes NCERT
PRP Certification
CERT proof power = 6
Proof certified good
2025-07-03lou_chengkaiC-PRP
A8B087F24CF60E0A
PRP proof power = 6
PRP: Verified
Proof certified good
2024-09-26Ryan PropperNF-PM1
B1=814000, B2=82801530
2024-08-20AsrielNF
no factor from 2^76 to 2^77
2024-06-01James HeinrichNF
no factor from 2^70 to 2^71
2023-08-17tscNF
no factor from 2^75 to 2^76
2023-01-18SRBaseNF
no factor from 2^74 to 2^75
2021-11-02SRBaseNF
no factor from 2^73 to 2^74
2020-10-23SRBaseNF
no factor from 2^72 to 2^73
2016-10-28Chang Chia-TcheNF
no factor from 2^71 to 2^72
2016-10-18ConductorNF
no factor from 2^70 to 2^71
2015-05-04Judge HaleNF
no factor from 2^69 to 2^70
2015-05-04Judge HaleNF
no factor from 2^68 to 2^69
2015-05-04Judge HaleNF
no factor from 2^67 to 2^68
2014-06-27Andreas_TruetschNF
no factor from 2^66 to 2^67
2012-12-02RichardNF
no factor from 2^65 to 2^66
2010-12-09Jud McCranieNF
no factor from 2^64 to 2^65