| 3804629 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 270 TF target 264 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 146 / 280 |
Estimated T-Level: 22.6 ⓘ TF below 2^70 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Jean Penné | 83BB76DCAA5680E5 | 0 | Linux 32-bit,Prime95,v14,(aka WQ2) | | Factored | 1999-08-16 | Carl Mikkelsen | 83BB76DCAA5680E5 | 269133 | Windows,Prime95,v18,(aka WU1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-02-06 | Andrey Dobrynin | 0D5B777390706264 | 1 | 2371918 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-02-06 | bonnenberger | CERT | Proof certified good | | 2025-02-06 | Andrey Dobrynin | C-PRP | Proof Certified Good
Proof Power: 7
| | 2025-02-06 | Andrey Dobrynin | F-ECM | Factor: 12981177305570472835168753 / ECM curve 9, B1=103918, B2=275590536, Edwards Sigma=4224591372238627 | | 2024-07-04 | Joss | NF-PM1 | B1=10000000, B2=13998877200 | | 2023-12-26 | Joss | NF-PM1 | B1=2332785, B2=4778283510 | | 2023-08-27 | Joss | NF-PM1 | B1=1000000, B2=1257446190 | | 2022-05-20 | DRobinsonPE | NF | no factor TF: 69-70 | | 2020-12-17 | axn | NF-PM1 | B1=30000000, B2=600000000 | | 2020-11-30 | axn | NF | no factor TF: 68-69 | | 2018-10-22 | TJAOI | NF | no factor TF: 67-68 | | 2016-11-15 | Gordon Spence | NF | no factor TF: 66-67 | | 2016-02-25 | ramgeis | NF | no factor TF: 65-66 | | 2016-02-23 | Mark Rose | NF | no factor TF: 1-60 | | 2016-02-23 | Mark Rose | NF | no factor TF: 62-63 | | 2016-01-06 | Squeeky_Squirrel | NF-PM1 | B1=240000, B2=7140000, E=12 | | 2015-01-18 | VictordeHollander | NF | no factor TF: 64-65 | | 2015-01-18 | VictordeHollander | NF | no factor TF: 63-64 | | 2014-09-18 | Joss | NF-PM1 | B1=81870 | | 2012-02-29 | GrunwalderGIMP | NF | no factor TF: 1-63 | | 2011-11-07 | Squeeky_Squirrel | NF-PM1 | B1=65000, B2=1121250, E=6 | | 2011-03-06 | markr | NF | no factor TF: 61-62 | | 2009-07-11 | Carsten Kossendey | NF-PM1 | B1=20000, B2=270000 | | 2009-03-01 | S485122 | NF | no factor TF: 60-61 | | 1999-08-16 | foxkid | C-LL | 83BB76DCAA5680E5 |
|
