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
70451531Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 645000
B2 = 13222500
LL
StatusDateUserResidueShift
Verified2016-07-29-Anonymous-99B22864BF440BC110228853
Verified2024-08-11kagakubu99B22864BF440BC156996001
History
DateUserTypeResult
2024-08-11kagakubuC-LL
99B22864BF440BC1
2016-07-29-Anonymous-C-LL
99B22864BF440BC1
2016-03-29-Anonymous-NF
no factor from 2^74 to 2^75
2014-11-09TheJudgerNF-PM1
B1=645000, B2=13222500, E=12
2014-11-03NickOfTimeNF
no factor from 2^73 to 2^74
2014-10-31BdotNF
no factor from 2^72 to 2^73
2014-09-22srow7NF
no factor from 2^71 to 2^72
2013-04-08frmarNF
no factor from 2^70 to 2^71
2010-05-01Tom DuellNF
no factor to 2^70
2010-04-22sunithayaNF
no factor from 2^65 to 2^66
2010-04-19wurkfurNF
no factor from 2^64 to 2^65
2008-11-21Wojciech FlorekNF
no factor to 2^64