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
11571349Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 268
P-1
B1 = 2500000
B2 = 7054972470
ECM
DigitsB1Curves
255000065 / 280
Estimated T-Level: 21.2
LL
StatusDateUserResidueShift
Verified2000-12-31Andy HedgesCBEDE4E3CB5679135337677
Verified2004-05-11Yan AlejandroCBEDE4E3CB5679133153608
History
DateUserTypeResult
2024-11-17TheJudgerNF
no factor from 2^72 to 2^73
2024-04-28linamentNF-PM1
B1=2500000, B2=7054972470
2024-04-28linamentNF-PM1
B1=2500000
2023-03-02riccardo ubertiNF-PP1
Start=6/5, B1=2300000, B2=48000000
2023-02-14riccardo ubertiNF-PP1
Start=2/7, B1=2000000, B2=40000000
2023-01-23riccardo ubertiNF-PM1
B1=1500000, B2=100113510
2023-01-16riccardo ubertiNF
no factor from 2^71 to 2^72
2021-10-09mikrNF
no factor from 2^70 to 2^71
2021-09-29lycornNF
no factor from 2^69 to 2^70
2018-01-10ramgeisNF
no factor from 2^68 to 2^69
2018-01-10ramgeisNF
no factor from 2^67 to 2^68
2016-03-06ThaNF-PM1
B1=300000, B2=6000000, E=6
2016-01-15VictordeHollanderNF
no factor from 2^66 to 2^67
2014-12-20NesowaNF
no factor from 2^65 to 2^66
2013-11-06lycornNF
no factor from 2^64 to 2^65