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
11253211Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 268
P-1
B1 = 10000000
B2 = 20013932400
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1 ⓘ
LL
StatusDateUserResidueShift
Verified2000-12-07C. Cooper / S. Boone1D2082FC740FE12D9218817
Verified2004-02-07Carl Mikkelsen1D2082FC740FE12D162388
History
DateUserTypeResult
2025-02-10James HeinrichNF
no factor from 2^72 to 2^73
2024-08-16vshNF
no factor from 2^72 to 2^73
2024-06-10vshNF-PM1
B1=10000000, B2=20013932400
2024-04-28vshNF-PM1
B1=7109088, B2=9240820050
2024-03-24vshNF-PM1
B1=3554544, B2=4643977800
2024-03-21vshNF-PM1
B1=1777272, B2=1680822990
2021-11-02SRBaseNF
no factor from 2^71 to 2^72
2021-08-28SRBaseNF
no factor from 2^70 to 2^71
2021-08-08SRBaseNF
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
2015-05-20NesowaNF
no factor from 2^65 to 2^66
2015-02-13Sid & AndyNF-PM1
B1=130000, B2=2437500, E=6
2013-11-21lycornNF
no factor from 2^64 to 2^65