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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
41721959TF
No factors below 276
TF target 272
P-1
B1 = 1000000
B2 = 20000000
LL
StatusDateUserResidueShift
Verified2008-07-04C. Cooper / S. Boone0B26D049FC398B3819345732
Verified2016-03-25Flame880B26D049FC398B381190970
History
DateUserTypeResult
2021-02-12-Anonymous-NF
no factor from 2^75 to 2^76
2021-02-07-Anonymous-NF
no factor from 2^74 to 2^75
2020-12-24Sid & AndyNF-PM1
B1=1000000, B2=20000000, E=12
2019-12-31-Anonymous-NF
no factor from 2^73 to 2^74
2019-09-30-Anonymous-NF
no factor from 2^72 to 2^73
2016-03-25Flame88C-LL
0B26D049FC398B38
2015-08-22-Anonymous-NF
no factor from 2^71 to 2^72
2015-01-18srow7NF
no factor from 2^70 to 2^71
2015-01-04BdotNF
no factor from 2^69 to 2^70
2014-02-21LaurVNF
no factor from 2^68 to 2^69