| 8389373 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 268 |
| Factored | |
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of known factors | Shift | Type | Base |
|---|
| Factored | PRP without proof (not generated) | 2018-10-21 | rucio | 7F7D7DDCD9B32B06 | 1 | 192581 | 5 | 3 | | Factored | PRP without proof (not generated) | 2020-05-19 | nordi | 7F7D7DDCD9B32B06 | 1 | 4536431 | 5 | 3 | | Verified | Certified Good | 2022-01-17 | mrh | 7F7D7DDCD9B32B06 | 2 | 40808 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2024-05-11 | Stef42 | NF-PM1 | B1=1025000, B2=1516951800 | | 2022-01-17 | qprime | CERT | Proof certified good | | 2022-01-17 | mrh | C-PRP | M8389373/70940068283113/172430034677604885719 : 7F7D7DDCD9B32B06 Proof Certified Good Proof Power: 8
| | 2022-01-11 | TJAOI | F | Factor: 172430034677604885719 | | 2020-05-19 | nordi | C-PRP | M8389373/70940068283113 : 7F7D7DDCD9B32B06 | | 2018-10-21 | rucio | C-PRP | M8389373/70940068283113 : 7F7D7DDCD9B32B06 |
|