| 5202251 | 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 | 18F3DE38B64C4B2F | 3 | 585294 | 5 | 3 | | Verified | PRP without proof (not generated) | 2018-01-22 | kkmrkkblmbrbk | 18F3DE38B64C4B2F | 3 | 398032 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-03-06 | Sid & Andy | F | Factors: 1758360839,393331793609 / TF: 68-70 | | 2024-07-30 | cramsey87 | NF-PM1 | B1=520000, B2=183451590 | | 2022-11-14 | Kevin_9611 | NF-PM1 | B1=400000, B2=55913340 | | 2018-01-22 | kkmrkkblmbrbk | C-PRP | M5202251/41618009/1758360839/393331793609 : 18F3DE38B64C4B2F | | 2017-11-22 | storm5510 | C-PRP | M5202251/41618009/1758360839/393331793609 : 18F3DE38B64C4B2F | | 2008-09-08 | Will Edgington | F | Factor: 393331793609 | | 2008-09-08 | Will Edgington | F | Factor: 1758360839 |
|
