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
10219271Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 272
TF target 268
P-1
B1 = 2000000
B2 = 2663048850
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0 ⓘ
LL
StatusDateUserResidueShift
Verified2000-06-28Letourneau University Science Dept.6757F2D67D5741222297957
Verified2004-02-07Andrew Klein6757F2D67D5741223813853
History
DateUserTypeResult
2024-02-26Sid & AndyNF-PM1
B1=2000000, B2=2663048850
2022-08-28Architects CubedNF
no factor from 2^71 to 2^72
2021-01-17-Anonymous-NF
no factor from 2^70 to 2^71
2020-12-19ViliamFNF-PM1
B1=1000000, B2=30000000
2020-07-28ViliamFNF
no factor from 2^69 to 2^70
2017-12-12ramgeisNF
no factor from 2^68 to 2^69
2017-09-25-Anonymous-NF
no factor from 2^67 to 2^68
2015-12-02VictordeHollanderNF
no factor from 2^66 to 2^67
2015-04-25ThaNF
no factor from 2^65 to 2^66
2013-09-18NesowaNF
no factor from 2^64 to 2^65
2013-05-22NesowaNF-PM1
B1=125000, B2=2500000, E=6