| 6573661 | 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 | 13054009D55278E3 | 1 | 525873 | 5 | 3 | | Verified | PRP without proof (not generated) | 2018-10-26 | storm5510 | 13054009D55278E3 | 1 | 800703 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-01-23 | Stef42 | NF-PM1 | B1=2312000, B2=5793371430 | | 2023-12-08 | Stef42 | NF-PM1 | B1=109000, B2=124105800 | | 2018-10-26 | storm5510 | C-PRP | M6573661/5528067628663 : 13054009D55278E3 | | 2017-12-28 | Oliver Kruse | C-PRP | M6573661/5528067628663 : 13054009D55278E3 |
|
