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
11679263Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 276
TF target 268
P-1
B1 = 14061834
B2 = 125644559040
ECM
DigitsB1Curves
255000032 / 280
Estimated T-Level: 20.6 ⓘ
LL
StatusDateUserResidueShift
Verified2001-02-18Nelson RibeiroFF30124FB791ADA81402072
Verified2004-12-13Stephen WoodFF30124FB791ADA8627447
History
DateUserTypeResult
2025-05-12yuriy_5-1NF
no factor from 2^75 to 2^76
2025-01-14yuriy_5-1NF
no factor from 2^74 to 2^75
2024-09-10yuriy_5-1NF
no factor from 2^73 to 2^74
2024-08-16yuriy_5-1NF
no factor from 2^72 to 2^73
2024-07-31yuriy_5-1NF-PM1
B1=14061834, B2=125644559040
2022-11-10Naegi MakotoNF
no factor from 2^71 to 2^72
2021-08-19LaurVNF-PM1
B1=6189107, B2=185673210
2021-08-14SRBaseNF
no factor from 2^70 to 2^71
2021-08-07SRBaseNF
no factor from 2^69 to 2^70
2019-12-30riccardo ubertiNF-PM1
B1=430000, B2=8500000, E=12
2018-01-11ramgeisNF
no factor from 2^68 to 2^69
2018-01-11ramgeisNF
no factor from 2^67 to 2^68
2016-02-08VictordeHollanderNF
no factor from 2^66 to 2^67
2014-12-20NesowaNF
no factor from 2^65 to 2^66
2013-11-02lycornNF
no factor from 2^64 to 2^65