Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
10074481Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 268
P-1
B1 = 2300000
B2 = 1757730810
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1 ⓘ
LL
StatusDateUserResidueShift
Verified2000-06-23Andy Bradford0396D9E7999E38671866162
Verified2003-09-14Miyahara Shuhei0396D9E7999E38678124445
History
DateUserTypeResult
2024-04-02Sid & AndyNF-PM1
B1=2300000, B2=1757730810
2021-05-16-Anonymous-NF
no factor from 2^73 to 2^74
2021-04-28-Anonymous-NF
no factor from 2^72 to 2^73
2021-04-27-Anonymous-NF
no factor from 2^71 to 2^72
2021-01-24ViliamFNF
no factor from 2^70 to 2^71
2020-08-29ViliamFNF-PM1
B1=1000000, B2=30000000
2020-06-22ViliamFNF
no factor from 2^69 to 2^70
2017-10-08ramgeisNF
no factor from 2^68 to 2^69
2017-09-25-Anonymous-NF
no factor from 2^67 to 2^68
2015-11-10VictordeHollanderNF
no factor from 2^66 to 2^67
2015-04-21ThaNF
no factor from 2^65 to 2^66
2012-01-29bcp19NF-PM1
B1=115000, B2=1983750, E=6
2011-10-18David CampeauNF
no factor from 2^64 to 2^65