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
65990567Composite: proven not-prime with PRP test
TF
No factors below 278
TF target 274
P-1
B1 = 590000
B2 = 11947500
LL
StatusDateUserResidueShift
Unverified2015-04-02MK-maui6AFAF5825D190F__31235243
PRP
StatusDateUserResidueShiftTypeBase
Verified2023-01-31adamgm81C02F51E439D1D5013
Verified2023-02-14_p95holder_81C02F51E439D1D54545927513
History
DateUserTypeResult
2023-02-14_p95holder_C-PRP
81C02F51E439D1D5
PRP: Verified
PRP without proof (not generated)
2023-01-31adamgmC-PRP
81C02F51E439D1D5
PRP: Verified
PRP without proof (not generated)
2021-06-17GrunwalderGIMPNF
no factor from 2^77 to 2^78
2021-06-17GrunwalderGIMPNF
no factor from 2^76 to 2^77
2021-06-17GrunwalderGIMPNF
no factor from 2^75 to 2^76
2021-06-17GrunwalderGIMPNF
no factor from 2^74 to 2^75
2016-03-29Mark RoseNF
no factor from 2^60 to 2^63
2015-04-02MK-mauiC-LL
6AFAF5825D190F__
2013-08-04TheJudgerNF-PM1
B1=590000, B2=11947500, E=12
2013-05-02Jerry HallettNF
no factor from 2^73 to 2^74
2013-05-02Jerry HallettNF
no factor from 2^72 to 2^73
2013-05-02Jerry HallettNF
no factor from 2^71 to 2^72
2013-05-02Jerry HallettNF
no factor from 2^70 to 2^71
2012-02-09oirakaNF
no factor from 2^69 to 2^70
2010-10-21Randall HoseNF
no factor from 2^68 to 2^69
2010-10-19S00030NF
no factor from 2^67 to 2^68
2010-08-14The Magic ForestNF
no factor from 2^66 to 2^67
2010-08-10StevenPGreenNF
no factor from 2^65 to 2^66
2010-01-01riccardo ubertiNF
no factor from 2^64 to 2^65
2009-01-23Wojciech FlorekNF
no factor from 2^63 to 2^64