| 8328377 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 268 |
| 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 | 1999-11-04 | Ivan Burns | E2352CFECC5E2A7C | 2352951 | Windows,Prime95,v18,NT service,(aka WU5) | | Factored | 2002-09-07 | Ars Technica Team Prime Rib | E2352CFECC5E2A7C | 3998642 | 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) | 2018-10-12 | trebor | 3C82296AD8E77BC1 | 1 | 2847755 | 5 | 3 | | Verified | PRP without proof (not generated) | 2020-04-23 | arnaud | 3C82296AD8E77BC1 | 1 | 7561208 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-03-14 | beep | NF-PM1 | B1=1750000, B2=6798611820 | | 2020-04-23 | arnaud | C-PRP | M8328377/25848978812566088359 : 3C82296AD8E77BC1 | | 2018-10-12 | trebor | C-PRP | M8328377/25848978812566088359 : 3C82296AD8E77BC1 | | 2014-01-08 | David Campeau | F | Factor: 25848978812566088359 / TF: 64-65 | | 2012-08-01 | firejuggler | NF-PM1 | B1=95000, B2=1662500, E=6 | | 2002-09-07 | Team Prime Rib | C-LL | E2352CFECC5E2A7C | | 2002-08-31 | Team Prime Rib | NF-PM1 | B1=40000, B2=650000 | | 2002-08-31 | Team Prime Rib | NF | no factor TF: 1-64 | | 1999-11-04 | -anonymous- | C-LL | E2352CFECC5E2A7C | | 1998-12-13 | -anonymous- | NF | no factor TF: 1-63 | | 1998-11-28 | -anonymous- | NF | no factor TF: 1-63 | | 1998-09-06 | -anonymous- | NF | no factor TF: 1-62 |
|
