| 8303683 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 268 |
| Factored | |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Steven H. Norton | F81F558F1927AD9B | 0 | Mac,John Sweeney,v1.4,(aka J3) | | Factored | 1999-10-29 | Louis Vandenberg | F81F558F1927AD9B | 2859548 | Windows,Prime95,v19,(aka WV1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2018-10-06 | Oliver Kruse | 813B99F31B31112B | 1 | 4873951 | 5 | 3 | | Verified | PRP without proof (not generated) | 2020-04-21 | Nesowa | 813B99F31B31112B | 1 | 6454822 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2024-04-09 | Stef42 | NF-PM1 | B1=3000000, B2=5957542500 | | 2020-04-21 | Nesowa | C-PRP | M8303683/14235947906568139463 : 813B99F31B31112B | | 2018-10-06 | Oliver Kruse | C-PRP | M8303683/14235947906568139463 : 813B99F31B31112B | | 2006-04-14 | David Campeau | F | Factor: 14235947906568139463 | | 1999-10-29 | -anonymous- | C-LL | F81F558F1927AD9B | | 1998-09-27 | -anonymous- | NF | no factor TF: 1-63 | | 1998-09-06 | -anonymous- | NF | no factor TF: 1-62 |
|
