| 8320919 | Composite, with 3 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 268 |
| Factored | |
| P-1 factors | |
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of known factors | Shift | Type | Base |
|---|
| Factored | PRP without proof (not generated) | 2018-10-14 | Oliver Kruse | C8A2A309BB62E8BF | 1 | 6366235 | 5 | 3 | | Factored | PRP without proof (not generated) | 2020-04-19 | Wentao Huang | C8A2A309BB62E8BF | 1 | 6535130 | 5 | 3 | | Factored | Certified Good | 2024-04-14 | ee33t1 | C8A2A309BB62E8BF | 2 | 2394964 | 5 | 3 | | Verified | Certified Good | 2025-05-06 | kutens | C8A2A309BB62E8BF | 3 | 7856208 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-05-07 | Oliver Kruse | CERT | Proof certified good | | 2025-05-06 | kutens | C-PRP | M8320919/399404113/576217674218988318169/5969158460904485285119 : C8A2A309BB62E8BF Proof Certified Good Proof Power: 8
| | 2025-04-29 | beep | F-PM1 | Factor: 5969158460904485285119 / B1=1900000, B2=10251491250 | | 2024-04-14 | Poao | CERT | Proof certified good | | 2024-04-14 | ee33t1 | C-PRP | M8320919/399404113/576217674218988318169 : C8A2A309BB62E8BF Proof Certified Good Proof Power: 8
| | 2024-04-08 | Stef42 | F-PM1 | Factor: 576217674218988318169 / B1=141000, B2=210169050 | | 2020-04-19 | Wentao Huang | C-PRP | M8320919/399404113 : C8A2A309BB62E8BF | | 2018-10-14 | Oliver Kruse | C-PRP | M8320919/399404113 : C8A2A309BB62E8BF |
|