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
131276921Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 1020000
B2 = 750671460
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-09-09Luke Durant558479112CE4045D013
History
DateUserTypeResult
2024-09-10Luke DurantCERT
PRP Certification
CERT proof power = 9
Proof certified good
2024-09-09Luke DurantC-PRP
558479112CE4045D
PRP proof power = 9
PRP: Verified
Proof certified good
2024-08-18Luke DurantNF-PM1
B1=1020000, B2=750671460
2023-06-03g0bNF
no factor from 2^76 to 2^77
2023-02-07geitdaNF
no factor from 2^75 to 2^76
2022-12-27SRBaseNF
no factor from 2^74 to 2^75
2021-07-20SRBaseNF
no factor from 2^73 to 2^74
2016-11-22nranksNF
no factor from 2^72 to 2^73
2016-11-22nranksNF
no factor from 2^71 to 2^72
2016-11-17proxy2222NF
no factor from 2^70 to 2^71
2012-12-26VictordeHollanderNF
no factor from 2^69 to 2^70
2012-09-10VictordeHollanderNF
no factor from 2^68 to 2^69
2012-09-10VictordeHollanderNF
no factor from 2^65 to 2^68
2010-11-17MurrayInfoSysNF
no factor from 2^64 to 2^65
2010-06-02Dalos LeeNF
no factor from 2^63 to 2^64