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
30000079Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 271
P-1
B1 = 350000
B2 = 11025000
ECM
DigitsB1Curves
25500006 / 280
Estimated T-Level: 20.1 ⓘ
LL
StatusDateUserResidueShift
Verified2006-01-15Dennis Burke49CB2DCF1143BF8A2429673
Verified2011-11-30ixfd6449CB2DCF1143BF8A13290423
History
DateUserTypeResult
2021-10-07ATHNF-PP1
Start=2/7, B1=500000, B2=11500000
2020-02-17Sid & AndyNF
no factor from 2^73 to 2^74
2019-12-28Random GPUsNF
no factor from 2^72 to 2^73
2019-08-26timbitNF-PM1
B1=350000, B2=11025000, E=12
2017-03-20mikrNF
no factor from 2^71 to 2^72
2016-08-29Bruno VictalNF
no factor from 2^70 to 2^71
2013-02-15Never Odd Or EvenNF
no factor from 2^69 to 2^70
2013-02-01VictordeHollanderNF
no factor from 2^68 to 2^69
2011-11-30ixfd64C-LL
49CB2DCF1143BF8A