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
11272211Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 268
P-1
B1 = 100000000
B2 = 200017263600
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0 ⓘ
LL
StatusDateUserResidueShift
Verified2000-11-25Bryan FullertonE750718DDA7977598874373
Verified2004-03-01seth WenchelE750718DDA7977594705573
History
DateUserTypeResult
2025-10-04vshNF
no factor from 2^73 to 2^74
2025-09-18vshNF-PM1
B1=100000000, B2=200017263600
2025-04-10vshNF-PM1
B1=100000000, B2=100022561100
2025-02-13James HeinrichNF
no factor from 2^72 to 2^73
2024-10-06vshNF
no factor from 2^72 to 2^73
2024-05-03vshNF-PM1
B1=12000000, B2=17676004500
2024-04-15vshNF-PM1
B1=12000000, B2=60000000
2024-03-28vshNF-PM1
B1=6000000, B2=8345025150
2024-03-27vshNF-PM1
B1=3000000, B2=3771756450
2021-11-03SRBaseNF
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
2018-03-30ThaNF-PM1
B1=300000, B2=6000000, E=6
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
2015-02-01NumberwangNF
no factor from 2^65 to 2^66
2013-11-21lycornNF
no factor from 2^64 to 2^65