Marin Mersenne 2^P-1
Username
Password
Forgot password?
Blue
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
102371441Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
TF
No factors below 277
TF target 276
P-1
B1 = 467000
B2 = 74496450
LL
StatusDateUserResidueShift
Unverified2020-09-25ChavdarLalov02637218E4FF7D__13875428
History
DateUserTypeResult
2022-12-19Ahmed AzhadNF-PM1
B1=467000, B2=74496450
2020-09-25ChavdarLalovC-LL
02637218E4FF7D__
2020-07-08Architects CubedNF
no factor from 2^76 to 2^77
2020-06-21Architects CubedNF
no factor from 2^75 to 2^76
2020-05-27Architects CubedNF
no factor from 2^74 to 2^75
2020-03-31Architects CubedNF
no factor from 2^73 to 2^74
2020-02-24Architects CubedNF
no factor from 2^72 to 2^73
2019-12-27ChavdarLalovNF-PM1
B1=1530000
2014-10-12EratosthenesNF
no factor from 2^71 to 2^72
2014-10-12EratosthenesNF
no factor from 2^70 to 2^71
2014-10-12EratosthenesNF
no factor from 2^69 to 2^70
2014-10-08SMoffatNF
no factor from 2^68 to 2^69
2014-04-29S00030NF
no factor from 2^67 to 2^68
2013-12-17g0bNF
no factor from 2^66 to 2^67
2012-04-22lindedNF
no factor from 2^65 to 2^66
2010-08-18Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-05-101997rj7NF
no factor from 2^63 to 2^64