| 6726523 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 267 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 3 / 280 |
Estimated T-Level: 20.1 ⓘ TF below 2^62 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | 1999-05-09 | David Fred | 0ED9206FFF4F1D5B | 4545777 | Linux 32-bit,Prime95,v18,(aka WU2) | | Factored | 2001-05-27 | Brian J. Peterson | 0ED9206FFF4F1D5B | 1588804 | Windows,Prime95,v20,(aka WW1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2018-01-06 | Oliver Kruse | 896852C578FB8A88 | 1 | 5312016 | 5 | 3 | | Verified | PRP without proof (not generated) | 2018-12-04 | storm5510 | 896852C578FB8A88 | 1 | 4295396 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-01-10 | Stef42 | NF-PM1 | B1=2156000, B2=5091011310 | | 2023-05-11 | This -Anonymous- | NF-PM1 | B1=100000, B2=2000000, E=6 | | 2018-12-04 | storm5510 | C-PRP | M6726523/18852646939774337705398841 : 896852C578FB8A88 | | 2018-01-06 | Oliver Kruse | C-PRP | M6726523/18852646939774337705398841 : 896852C578FB8A88 | | 2012-05-07 | Luis Martinez | F-ECM | Factor: 18852646939774337705398841 | | 2004-09-16 | David Campeau | NF | no factor TF: 1-63 | | 2001-05-27 | -anonymous- | C-LL | 0ED9206FFF4F1D5B | | 2001-05-06 | -anonymous- | NF-PM1 | B1=35000, B2=402500 | | 1999-05-09 | -anonymous- | C-LL | 0ED9206FFF4F1D5B | | 1999-02-14 | -anonymous- | C-LL | 9D9D58334E87A9__ | | 1998-10-29 | -anonymous- | NF | no factor TF: 1-62 | | 1998-06-28 | -anonymous- | NF | no factor TF: 1-62 |
|
