| 6572971 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 267 |
| Factored | |
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2017-12-28 | Oliver Kruse | 25BC46D1A01C4B46 | 1 | 1521309 | 5 | 3 | | Verified | PRP without proof (not generated) | 2018-10-26 | storm5510 | 25BC46D1A01C4B46 | 1 | 69493 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-01-23 | Stef42 | NF-PM1 | B1=2281000, B2=5129560590 | | 2023-12-08 | Stef42 | NF-PM1 | B1=109000, B2=124105800 | | 2018-10-26 | storm5510 | C-PRP | M6572971/28040294287 : 25BC46D1A01C4B46 | | 2017-12-28 | Oliver Kruse | C-PRP | M6572971/28040294287 : 25BC46D1A01C4B46 |
|
