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
142011277Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 833000
B2 = 83781180
PRP
StatusDateUserResidueShiftTypeBase
Verified2025-09-14Fabrice Bellet90870F937F5697EF638940013
History
DateUserTypeResult
2025-09-15Yves BellefeuilleCERT
PRP Certification
CERT proof power = 8
Proof certified good
2025-09-14Fabrice BelletC-PRP
90870F937F5697EF
PRP proof power = 8
PRP: Verified
Proof certified good
2024-10-02Ryan PropperNF-PM1
B1=833000, B2=83781180
2024-09-11Luke DurantNF
no factor from 2^76 to 2^77
2024-07-17SRBaseNF
no factor from 2^75 to 2^76
2023-01-21SRBaseNF
no factor from 2^74 to 2^75
2021-11-06SRBaseNF
no factor from 2^73 to 2^74
2020-10-25SRBaseNF
no factor from 2^72 to 2^73
2016-04-24Mihai PredaNF
no factor from 2^71 to 2^72
2016-04-18Mihai PredaNF
no factor from 2^70 to 2^71
2016-04-15Mihai PredaNF
no factor from 2^69 to 2^70
2016-04-07Mihai PredaNF
no factor from 2^68 to 2^69
2016-03-25dbaughNF
no factor from 2^67 to 2^68
2015-02-22tscNF
no factor from 2^66 to 2^67
2012-12-07AKAxAutoNF
no factor from 2^65 to 2^66
2010-12-16RichardNF
no factor from 2^64 to 2^65
2010-06-16carlos56NF
no factor from 2^63 to 2^64