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
11571379Composite: 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
Verified2001-02-25C. Cooper / S. Boone3767C43CCAE418D22760259
Verified2004-04-29Ars Technica Team Prime Rib3767C43CCAE418D210689810
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
2020-03-06Aaron HavilandNF-PM1
B1=365000, B2=8030000, e=12
2018-02-05Oliver KruseNF
no factor from 2^67 to 2^72
2018-01-22ramgeisNF
no factor from 2^68 to 2^69
2018-01-22ramgeisNF
no factor from 2^67 to 2^68
2016-01-15VictordeHollanderNF
no factor from 2^66 to 2^67
2015-04-14Sid & AndyNF-PM1
B1=125000, B2=2187500, E=6
2014-12-20NesowaNF
no factor from 2^65 to 2^66
2013-11-06lycornNF
no factor from 2^64 to 2^65