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
131871911Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 741000
B2 = 62504130
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-09-30Luke DurantF9978B53818EF3328074978913
History
DateUserTypeResult
2024-09-30Peter MayesCERT
PRP Certification
CERT proof power = 8
Proof certified good
2024-09-30Luke DurantC-PRP
F9978B53818EF332
PRP proof power = 8
PRP: Verified
Proof certified good
2024-08-21oodairaNF-PM1
B1=741000, B2=62504130
2023-09-28mrk74NF
no factor from 2^76 to 2^77
2023-08-10Brent GoebelNF
no factor from 2^75 to 2^76
2023-01-02SRBaseNF
no factor from 2^74 to 2^75
2021-07-22SRBaseNF
no factor from 2^73 to 2^74
2020-10-22SRBaseNF
no factor from 2^72 to 2^73
2016-01-10PascalBieriNF
no factor from 2^71 to 2^72
2015-12-26PascalBieriNF
no factor from 2^70 to 2^71
2013-01-26VictordeHollanderNF
no factor from 2^69 to 2^70
2012-10-01VictordeHollanderNF
no factor from 2^68 to 2^69
2012-10-01VictordeHollanderNF
no factor from 2^65 to 2^68
2010-11-15sasaki3NF
no factor from 2^64 to 2^65
2010-06-03Torchwood InstituteNF
no factor from 2^63 to 2^64