| 5207513 | Composite, with 3 known prime factors. Cofactor is composite. Trial Factored to 270 TF target 266 |
| Factored | |
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2017-11-22 | storm5510 | 4027CBD106DC574C | 3 | 788443 | 5 | 3 | | Verified | PRP without proof (not generated) | 2018-01-21 | kkmrkkblmbrbk | 4027CBD106DC574C | 3 | 3346717 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-03-08 | Sid & Andy | NF | no factor TF: 68-70 | | 2024-07-29 | cramsey87 | NF-PM1 | B1=520000, B2=347622660 | | 2023-05-11 | This -Anonymous- | NF-PM1 | B1=50000, B2=1000000 | | 2018-01-21 | kkmrkkblmbrbk | C-PRP | M5207513/531166327/2666246657/42937434033719 : 4027CBD106DC574C | | 2017-11-22 | storm5510 | C-PRP | M5207513/531166327/2666246657/42937434033719 : 4027CBD106DC574C | | 2008-09-30 | markr | F | Factor: 42937434033719 | | 2008-09-08 | Will Edgington | F | Factor: 2666246657 |
|
