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
131897149Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 2000000
B2 = 1542849000
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-10-05KGF91D2E8A6C3CC7AF65736476313
History
DateUserTypeResult
2024-10-08NesowaCERT
PRP Certification
CERT proof power = 6
Proof certified good
2024-10-05KGFC-PRP
91D2E8A6C3CC7AF6
PRP proof power = 6
PRP: Verified
Proof certified good
2024-06-03Luke DurantNF-PM1
B1=2000000, B2=1542849000
2023-06-22Alvin BunkNF
no factor from 2^76 to 2^77
2023-04-30La GüiraNF
no factor from 2^75 to 2^76
2023-01-02SRBaseNF
no factor from 2^74 to 2^75
2021-07-20SRBaseNF
no factor from 2^73 to 2^74
2020-10-22SRBaseNF
no factor from 2^72 to 2^73
2016-01-04SMoffatNF
no factor from 2^71 to 2^72
2015-12-27SMoffatNF
no factor from 2^70 to 2^71
2013-01-27VictordeHollanderNF
no factor from 2^69 to 2^70
2012-12-07VictordeHollanderNF
no factor from 2^68 to 2^69
2012-12-07VictordeHollanderNF
no factor from 2^65 to 2^68
2010-11-16sannerud.comNF
no factor from 2^64 to 2^65
2010-06-03kiwiboyNF
no factor from 2^63 to 2^64