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
142719229Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 1209000
B2 = 1307713440
PRP
StatusDateUserResidueShiftTypeBase
Verified2025-07-18curtiscD55B2531FA4647DD13405997813
History
DateUserTypeResult
2025-07-180xCERT
PRP Certification
CERT proof power = 8
Proof certified good
2025-07-18curtiscC-PRP
D55B2531FA4647DD
PRP proof power = 8
PRP: Verified
Proof certified good
2024-10-07Luke DurantNF-PM1
B1=1209000, B2=1307713440
2024-10-06575kevkevNF
no factor from 2^76 to 2^77
2024-03-291997rj7NF
no factor from 2^75 to 2^76
2023-01-23SRBaseNF
no factor from 2^74 to 2^75
2021-11-08SRBaseNF
no factor from 2^73 to 2^74
2020-11-16SRBaseNF
no factor from 2^72 to 2^73
2017-02-18guruNF
no factor from 2^71 to 2^72
2017-02-16guruNF
no factor from 2^70 to 2^71
2017-02-11JoDuNF
no factor from 2^69 to 2^70
2017-02-05JoDuNF
no factor from 2^68 to 2^69
2016-03-31dbaughNF
no factor from 2^67 to 2^68
2015-02-24aurashiftNF
no factor from 2^66 to 2^67
2012-12-13Damian SilvestreNF
no factor from 2^65 to 2^66
2010-12-19RichardNF
no factor from 2^64 to 2^65
2010-06-16BattlemaxxNF
no factor from 2^63 to 2^64