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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
70895207Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 640000
B2 = 12160000
LL
StatusDateUserResidueShift
Verified2017-01-27curtiscB0771648E1C1F31046612592
Verified2024-08-26Ryan PropperB0771648E1C1F31027068000
History
DateUserTypeResult
2024-08-26Ryan PropperC-LL
B0771648E1C1F310
2017-01-27curtiscC-LL
B0771648E1C1F310
2016-05-16-Anonymous-NF
no factor from 2^74 to 2^75
2014-09-181997rj7NF-PM1
B1=640000, B2=12160000
2014-05-30kdgehmanNF
no factor from 2^73 to 2^74
2014-05-30kdgehmanNF
no factor from 2^72 to 2^73
2014-05-30kdgehmanNF
no factor from 2^71 to 2^72
2013-07-01timc995NF
no factor from 2^70 to 2^71
2013-04-08timc995NF
no factor from 2^69 to 2^70
2010-05-25Helmut ZulusNF
no factor from 2^68 to 2^69
2010-05-16muhNF
no factor from 2^67 to 2^68
2010-03-10-Anonymous-NF
no factor from 2^66 to 2^67
2010-03-07-Anonymous-NF
no factor from 2^65 to 2^66
2010-03-06Aare VesiNF
no factor from 2^64 to 2^65
2008-11-20Wojciech FlorekNF
no factor to 2^64