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
128361341Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 1127000
B2 = 1662897600
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-08-12syjytgED62740C54DAD5FC10631624513
Verified2025-02-28mewturnED62740C54DAD5FC013
History
DateUserTypeResult
2025-03-02Gerard PAVINCERT
PRP Certification
CERT proof power = 7
Proof certified good
2025-02-28mewturnC-PRP
ED62740C54DAD5FC
PRP proof power = 7
PRP: Verified
Proof certified good
2024-08-12syjytgC-PRP
ED62740C54DAD5FC
PRP: Verified
PRP without proof (not generated)
2024-05-10Naegi MakotoNF
no factor from 2^70 to 2^71
2024-04-24Luke DurantNF-PM1
B1=1127000, B2=1662897600
2023-01-15TravisJankNF
no factor from 2^76 to 2^77
2023-01-15TravisJankNF
no factor from 2^75 to 2^76
2022-12-23SRBaseNF
no factor from 2^74 to 2^75
2021-07-15SRBaseNF
no factor from 2^73 to 2^74
2020-11-19SRBaseNF
no factor from 2^72 to 2^73
2015-11-14KishNF
no factor from 2^71 to 2^72
2015-11-05Josh FamestadNF
no factor from 2^70 to 2^71
2015-11-01SourceBinary.comNF
no factor from 2^69 to 2^70
2015-10-26SourceBinary.comNF
no factor from 2^68 to 2^69
2015-10-25SourceBinary.comNF
no factor from 2^67 to 2^68
2015-01-11el groccoNF
no factor from 2^66 to 2^67
2012-09-29sasaki3NF
no factor from 2^65 to 2^66
2010-11-08Thomas StorkNF
no factor from 2^64 to 2^65
2010-05-29OS1NF
no factor from 2^63 to 2^64