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
121182343Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 927000
B2 = 474692790
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-05-13Luke DurantF59E38477F1C4ACF013
History
DateUserTypeResult
2024-05-13Joe S.CERT
PRP Certification
CERT proof power = 8
Proof certified good
2024-05-13Luke DurantC-PRP
F59E38477F1C4ACF
PRP proof power = 8
PRP: Verified
Proof certified good
2024-01-19TaikelennNF-PM1
B1=927000, B2=474692790
2022-06-22TheJudgerNF
no factor from 2^76 to 2^77
2021-07-25TheJudgerNF
no factor from 2^75 to 2^76
2021-07-25TheJudgerNF
no factor from 2^74 to 2^75
2021-07-06SRBaseNF
no factor from 2^73 to 2^74
2020-10-28SRBaseNF
no factor from 2^72 to 2^73
2015-10-31bunddogNF
no factor from 2^71 to 2^72
2015-10-08bunddogNF
no factor from 2^70 to 2^71
2013-11-09GrunwalderGIMPNF
no factor from 2^69 to 2^70
2013-11-09GrunwalderGIMPNF
no factor from 2^68 to 2^69
2013-11-09GrunwalderGIMPNF
no factor from 2^66 to 2^68
2012-08-10GunnarLuNF
no factor from 2^65 to 2^66
2010-10-21Charles A. MorrisNF
no factor from 2^64 to 2^65
2010-05-22Grant McCrackenNF
no factor from 2^63 to 2^64