| 5299429 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 272 TF target 266 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 92 / 280 |
Estimated T-Level: 21.6 ⓘ TF below 2^67 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | 1998-08-02 | Anil Nair | 216475D6D3C74A7D | 0 | Windows,Prime95,v16,NT service,(aka WS5) | | Factored | 2000-08-17 | Brad Hamlin | 216475D6D3C74A7D | 3532779 | Windows,Prime95,v18,(aka WU1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-02-26 | Vinickw | D758A9B80F265668 | 1 | 4801231 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-02-26 | mrtbts | CERT | Proof certified good | | 2025-02-26 | Vinickw | C-PRP | M5299429/23291488259002244131675183 : D758A9B80F265668 Proof Certified Good
Proof Power: 7
| | 2025-02-19 | fordobr | F-ECM | Factor: 23291488259002244131675183 / ECM curve 40, B1=50000, B2=88280115, Edwards Sigma=5666213002945494 | | 2022-07-19 | Sid & Andy | NF-PM1 | B1=7000000, B2=5981471760 | | 2021-09-17 | SRBase | NF | no factor TF: 71-72 | | 2021-08-31 | SRBase | NF | no factor TF: 70-71 | | 2021-08-19 | SRBase | NF | no factor TF: 69-70 | | 2021-08-08 | Architects Cubed | NF-PM1 | B1=1500000, B2=166500000 | | 2020-08-31 | TJAOI | NF | no factor TF: 68-69 | | 2018-06-11 | ramgeis | NF | no factor TF: 67-68 | | 2016-11-13 | Denial140 | NF-PM1 | B1=226726, B2=4081066, E=6 | | 2016-06-18 | Gordon Spence | NF | no factor TF: 66-67 | | 2015-08-14 | snme2pm1 | NF | no factor TF: 65-66 | | 2014-12-23 | VictordeHollander | NF | no factor TF: 64-65 | | 2014-12-23 | VictordeHollander | NF | no factor TF: 63-64 | | 2010-07-29 | Squeeky_Squirrel | NF-PM1 | B1=60000, B2=990000, E=6 | | 2009-08-25 | Carsten Kossendey | NF-PM1 | B1=25000, B2=343750 | | 2009-06-02 | GrunwalderGIMP | NF | no factor TF: 62-63 | | 2000-08-17 | -anonymous- | C-LL | 216475D6D3C74A7D | | 1998-08-02 | -anonymous- | C-LL | 216475D6D3C74A7D | | 1998-06-07 | -anonymous- | NF | no factor TF: 1-62 | | 1998-05-08 | -anonymous- | NF | no factor TF: 1-62 | | 1998-05-01 | -anonymous- | NF | no factor TF: 1-62 |
|
