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
11298733Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 268
P-1
B1 = 10000000
B2 = 20000014650
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0 ⓘ
LL
StatusDateUserResidueShift
Verified2001-06-17Terry S. ArnoldF2FDEA69EA62D2376493187
Verified2004-03-26Jake O'ConnellF2FDEA69EA62D237363318
History
DateUserTypeResult
2025-07-25vshNF-PM1
B1=10000000, B2=20000014650
2024-11-13vshNF
no factor from 2^72 to 2^73
2024-04-30vshNF-PM1
B1=10000000, B2=16787266650
2021-11-12SRBaseNF
no factor from 2^71 to 2^72
2021-10-28LaurVNF-PM1
B1=6189107, B2=185673210
2021-08-14SRBaseNF
no factor from 2^70 to 2^71
2021-08-06SRBaseNF
no factor from 2^69 to 2^70
2020-07-30riccardo ubertiNF-PM1
B1=430000, B2=8500000, E=12
2017-12-27ramgeisNF
no factor from 2^68 to 2^69
2017-12-27ramgeisNF
no factor from 2^67 to 2^68
2016-01-04VictordeHollanderNF
no factor from 2^66 to 2^67
2015-02-09NumberwangNF
no factor from 2^65 to 2^66
2013-11-21lycornNF
no factor from 2^64 to 2^65