| 7682849 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 269 TF target 267 |
| Factored | |
| P-1 factors | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 6 / 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 | 1999-08-07 | C. Cooper / S. Boone | 0BFC4051199E34F4 | 6253913 | Windows,Prime95,v18,NT service,(aka WU5) | | Factored | 2002-05-05 | Ars Technica Team Prime Rib | 0BFC4051199E34F4 | 1237260 | Windows,Prime95,v21,NT service,(aka WX5) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2020-06-09 | LaurV | 7DA73ECCF0B309FE | 1 | 6390738 | 5 | 3 | | Verified | PRP without proof (not generated) | 2020-06-10 | Luigi Morelli | 7DA73ECCF0B309FE | 1 | 6671176 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2020-06-10 | Luigi Morelli | C-PRP | M7682849/130979511573761245437857 : 7DA73ECCF0B309FE | | 2020-06-09 | LaurV | C-PRP | M7682849/130979511573761245437857 : 7DA73ECCF0B309FE | | 2020-06-09 | GdS | F-PM1 | Factor: 130979511573761245437857 / B1=721165, B2=15144458 | | 2020-03-06 | TJAOI | NF | no factor TF: 68-69 | | 2018-07-31 | ramgeis | NF | no factor TF: 67-68 | | 2016-09-19 | Gordon Spence | NF | no factor TF: 66-67 | | 2015-06-12 | VictordeHollander | NF | no factor TF: 65-66 | | 2013-12-09 | David Campeau | NF | no factor TF: 64-65 | | 2013-10-11 | Nesowa | NF | no factor TF: 63-64 | | 2012-08-05 | Nesowa | NF-PM1 | B1=95000, B2=1757500, E=6 | | 2002-05-05 | Team Prime Rib | C-LL | 0BFC4051199E34F4 | | 2002-04-07 | Team Prime Rib | NF-PM1 | B1=40000, B2=400000 | | 1999-08-07 | curtisc | C-LL | 0BFC4051199E34F4 | | 1998-12-13 | subgenius | NF | no factor TF: 1-63 | | 1998-08-09 | -anonymous- | NF | no factor TF: 1-62 |
|
