| 4634057 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 272 TF target 265 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 69 / 280 |
Estimated T-Level: 21.2 ⓘ TF below 2^66 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Danny Uy | F6ED6F5BB62FD307 | 0 | Windows,Prime95,v14,(aka WQ1) | | Factored | 2001-07-17 | Robin Tremblay | F6ED6F5BB62FD307 | 2323060 | Windows,Prime95,v20,(aka WW1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-03-21 | fordobr | CA8DC3ECB02C571B | 1 | 1329878 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-03-23 | EthanD | CERT | Proof certified good | | 2025-03-21 | fordobr | C-PRP | M4634057/17421604960670208453471693431 : CA8DC3ECB02C571B Proof Certified Good
Proof Power: 7
| | 2025-03-21 | fordobr | F-ECM | Factor: 17421604960670208453471693431 / ECM curve 4, B1=65833, B2=88280115, Edwards Sigma=4248995091235325 | | 2023-02-25 | Sid & Andy | NF-PM1 | B1=4300000, B2=11204171550 | | 2021-03-23 | -anonymous- | NF | no factor TF: 71-72 | | 2021-03-21 | -anonymous- | NF | no factor TF: 70-71 | | 2021-03-21 | -anonymous- | NF | no factor TF: 69-70 | | 2021-03-21 | -anonymous- | NF | no factor TF: 68-69 | | 2018-10-02 | chuenkit | NF | no factor TF: 67-68 | | 2018-06-28 | BloodERazor | NF | no factor TF: 66-67 | | 2017-12-17 | Ismo Laitela | NF-PM1 | B1=1988203, B2=61634303, E=12 | | 2016-02-23 | Mark Rose | NF | no factor TF: 62-63 | | 2015-07-06 | snme2pm1 | NF | no factor TF: 65-66 | | 2015-01-29 | monst | NF | no factor TF: 64-65 | | 2015-01-28 | Jayder | NF | no factor TF: 63-64 | | 2012-02-01 | Squeeky_Squirrel | NF-PM1 | B1=110000, B2=2062500, E=6 | | 2011-12-09 | GrunwalderGIMP | NF | no factor TF: 1-63 | | 2011-07-11 | USAFSS | NF-PM1 | B1=55000, B2=866250, E=6 | | 2010-07-27 | markr | NF | no factor TF: 61-62 | | 2002-02-03 | David Campeau | NF | no factor TF: 1-61 | | 2001-07-17 | -anonymous- | C-LL | F6ED6F5BB62FD307 | | 2001-07-07 | -anonymous- | NF-PM1 | B1=25000, B2=293750 |
|
