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
11259011Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 268
P-1
B1 = 10000000
B2 = 20021278200
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0 ⓘ
LL
StatusDateUserResidueShift
Verified2000-11-25C. Cooper / S. Boone6B88B6BF991BC4F1133901
Verified2004-05-11Ars Technica Team Prime Rib6B88B6BF991BC4F111244977
History
DateUserTypeResult
2025-02-12James HeinrichNF
no factor from 2^72 to 2^73
2024-09-05vshNF
no factor from 2^72 to 2^73
2024-06-12vshNF-PM1
B1=10000000, B2=20021278200
2024-04-01vshNF-PM1
B1=7105424, B2=10113041400
2024-03-30vshNF-PM1
B1=3552712, B2=4526110050
2024-03-28vshNF-PM1
B1=1776356, B2=1495778130
2021-10-31SRBaseNF
no factor from 2^71 to 2^72
2021-08-14SRBaseNF
no factor from 2^70 to 2^71
2021-08-06SRBaseNF
no factor from 2^69 to 2^70
2017-12-27ramgeisNF
no factor from 2^68 to 2^69
2017-12-27ramgeisNF
no factor from 2^67 to 2^68
2015-12-28VictordeHollanderNF
no factor from 2^66 to 2^67
2015-05-23NesowaNF
no factor from 2^65 to 2^66
2013-11-21lycornNF
no factor from 2^64 to 2^65
2012-07-17NesowaNF-PM1
B1=140000, B2=2870000, E=6