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
11600629Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 276
TF target 268
TF below 2^80 is very unlikely to find new factors due to ECM effort.
P-1
B1 = 47502516
B2 = 140197877820
ECM
DigitsB1Curves
2550000280 / 280
3025000088 / 640
Estimated T-Level: 25.7 ⓘ
LL
StatusDateUserResidueShift
Verified2002-03-24Joseph Huang512687C5ED3D883C56625
Verified2005-02-02Daniel Swanson512687C5ED3D883C10998651
History
DateUserTypeResult
2025-02-17yuriy_5-1NF-PM1
B1=47502516, B2=140197877820
2024-09-02yuriy_5-1NF
no factor from 2^75 to 2^76
2024-09-02yuriy_5-1NF
no factor from 2^74 to 2^75
2024-09-02yuriy_5-1NF
no factor from 2^73 to 2^74
2024-08-06yuriy_5-1NF
no factor from 2^72 to 2^73
2024-06-03yuriy_5-1NF-PM1
B1=13967158, B2=124183569510
2024-04-22yuriy_5-1NF-PM1
B1=6410079, B2=3035668350
2023-06-08Naegi MakotoNF-PP1
Start=2/7, B1=1000000, B2=31000000
2023-01-08BommerNF
no factor from 2^71 to 2^72
2021-08-17SRBaseNF
no factor from 2^70 to 2^71
2021-08-06SRBaseNF
no factor from 2^69 to 2^70
2018-01-02ramgeisNF
no factor from 2^68 to 2^69
2018-01-02ramgeisNF
no factor from 2^67 to 2^68
2016-02-14YxinityNF
no factor from 2^66 to 2^67
2014-08-26NRNF
no factor from 2^65 to 2^66
2013-11-04lycornNF
no factor from 2^64 to 2^65
2012-02-06James HeinrichNF-PM1
B1=225000, B2=5400000, E=6