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
11509097Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 268
P-1
B1 = 2500000
B2 = 7054972470
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0 ⓘ
LL
StatusDateUserResidueShift
Verified2001-01-28George PottsEE011B91BFC2BD9A10485731
Verified2005-02-23Ars Technica Team Prime RibEE011B91BFC2BD9A192006
History
DateUserTypeResult
2024-11-17TheJudgerNF
no factor from 2^72 to 2^73
2024-04-01linamentNF-PM1
B1=2500000, B2=7054972470
2024-04-01linamentNF-PM1
B1=2500000
2023-05-11Stef42NF-PM1
B1=800000, B2=4902600780
2018-02-05Oliver KruseNF
no factor from 2^67 to 2^72
2018-01-21ramgeisNF
no factor from 2^68 to 2^69
2018-01-21ramgeisNF
no factor from 2^67 to 2^68
2016-01-15VictordeHollanderNF
no factor from 2^66 to 2^67
2014-12-20NesowaNF
no factor from 2^65 to 2^66
2014-10-23ThaNF-PM1
B1=300000, B2=6000000, E=12
2013-11-08lycornNF
no factor from 2^64 to 2^65