| 8391287 | Composite, with 2 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) | 2018-10-21 | storm5510 | 3805F6716C1912DA | 1 | 6389685 | 5 | 3 | | Factored | PRP without proof (not generated) | 2020-05-16 | marssystems | 3805F6716C1912DA | 1 | 1506432 | 5 | 3 | | Verified | Certified Good | 2024-05-24 | Ashton | 3805F6716C1912DA | 2 | 207000 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2024-05-24 | ondrejch | CERT | Proof certified good | | 2024-05-24 | Ashton | C-PRP | M8391287/7317448054932904697/1136692826370109894481 : 3805F6716C1912DA Proof Certified Good
Proof Power: 8
| | 2024-05-11 | Stef42 | F-PM1 | Factor: 1136692826370109894481 / B1=1025000, B2=1053971100 | | 2020-05-16 | marssystems | C-PRP | M8391287/7317448054932904697 : 3805F6716C1912DA | | 2018-10-21 | storm5510 | C-PRP | M8391287/7317448054932904697 : 3805F6716C1912DA | | 1998-10-11 | -anonymous- | F | Factor: 7317448054932904697 | | 1998-09-13 | -anonymous- | NF | no factor TF: 1-61 |
|
