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
128320177Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 1123000
B2 = 1434937350
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-08-11Luke DurantE8AD89561C2EE27C013
History
DateUserTypeResult
2024-08-11Luke DurantCERT
PRP Certification
CERT proof power = 8
Proof certified good
2024-08-11Luke DurantC-PRP
E8AD89561C2EE27C
PRP proof power = 8
PRP: Verified
Proof certified good
2024-07-25Luke DurantNF-PM1
B1=1123000, B2=1434937350
2023-01-13TravisJankNF
no factor from 2^76 to 2^77
2023-01-13TravisJankNF
no factor from 2^75 to 2^76
2022-12-23SRBaseNF
no factor from 2^74 to 2^75
2021-07-13SRBaseNF
no factor from 2^73 to 2^74
2020-11-19SRBaseNF
no factor from 2^72 to 2^73
2016-01-03SourceBinary.comNF
no factor from 2^71 to 2^72
2016-01-02SourceBinary.comNF
no factor from 2^70 to 2^71
2016-01-01SourceBinary.comNF
no factor from 2^69 to 2^70
2015-12-31SourceBinary.comNF
no factor from 2^68 to 2^69
2015-12-29SourceBinary.comNF
no factor from 2^67 to 2^68
2015-01-11el groccoNF
no factor from 2^66 to 2^67
2012-10-03RichardNF
no factor from 2^65 to 2^66
2010-11-07Charles A. MorrisNF
no factor from 2^64 to 2^65
2010-06-02Carsten KossendeyNF
no factor from 2^63 to 2^64