| 5453317 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 272 TF target 266 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 44 / 280 |
Estimated T-Level: 20.8 ⓘ TF below 2^64 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Bad | 1998-08-09 | Craig Haynal | C022A0BE885C9806 | 0 | Windows,Prime95,v16,NT service,(aka WS5) | | Factored | 2000-08-10 | Thomas F. Dely | 9FDAF5959F4AC8F2 | 1077891 | Linux 32-bit,Prime95,v20,(aka WW2) | | Factored | 2001-06-17 | The Packett Family | 9FDAF5959F4AC8F2 | 658767 | Windows,Prime95,v20,(aka WW1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-03-23 | mrh | 62D7E049B8DDB14C | 1 | 4908478 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-03-23 | Chuck | CERT | Proof certified good | | 2025-03-23 | mrh | C-PRP | M5453317/13926000188734157042711 : 62D7E049B8DDB14C Proof Certified Good
Proof Power: 7
| | 2025-03-17 | fordobr | F-ECM | Factor: 13926000188734157042711 / ECM curve 20, B1=50000, B2=45039225, Edwards Sigma=904215640920536 | | 2021-10-13 | axn | NF-PM1 | B1=8000000, B2=400000000 | | 2021-09-18 | SRBase | NF | no factor TF: 71-72 | | 2021-09-01 | SRBase | NF | no factor TF: 70-71 | | 2021-08-18 | SRBase | NF | no factor TF: 69-70 | | 2020-09-21 | TJAOI | NF | no factor TF: 68-69 | | 2019-09-03 | USAFSS | NF-PM1 | B1=330000, B2=9735000 | | 2018-06-29 | ramgeis | NF | no factor TF: 67-68 | | 2016-03-16 | Yxinity | NF | no factor TF: 66-67 | | 2015-08-24 | snme2pm1 | NF | no factor TF: 65-66 | | 2014-12-30 | monst | NF | no factor TF: 64-65 | | 2014-12-30 | snme2pm1 | NF | no factor TF: 63-64 | | 2010-11-02 | Squeeky_Squirrel | NF-PM1 | B1=60000, B2=960000, E=6 | | 2009-05-09 | GrunwalderGIMP | NF | no factor TF: 62-63 | | 2001-06-17 | RobLP96 | C-LL | 9FDAF5959F4AC8F2 | | 2001-05-27 | RobLP96 | NF-PM1 | B1=20000, B2=20000 | | 2001-05-20 | shaneamy | NF-PM1 | B1=25000, B2=337500 | | 2000-08-10 | -anonymous- | C-LL | 9FDAF5959F4AC8F2 | | 2000-06-28 | -anonymous- | NF-PM1 | B1=20000, B2=20000 | | 1998-08-09 | -anonymous- | C-LL | C022A0BE885C9806 | | 1998-06-20 | -anonymous- | NF | no factor TF: 1-62 | | 1998-03-23 | Tha | NF | no factor TF: 1-61 | | 1998-03-17 | Tha | NF | no factor TF: 1-61 |
|
