| 2545357 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 130 / 280 |
Estimated T-Level: 22.3 ⓘ TF below 2^69 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | phil kenny | 54A742F8471E8124 | 0 | Windows 16-bit,Prime95,v14,(aka WQ0) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2017-10-14 | Oliver Kruse | 6AE2CB3636184774 | 1 | 2061240 | 5 | 3 | | Verified | PRP without proof (not generated) | 2017-12-01 | storm5510 | 6AE2CB3636184774 | 1 | 110104 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2022-08-25 | USAFSS | NF-PM1 | B1=300000, B2=259451010 | | 2017-12-01 | storm5510 | C-PRP | M2545357/449409420494814007 : 6AE2CB3636184774 | | 2017-10-14 | Oliver Kruse | C-PRP | M2545357/449409420494814007 : 6AE2CB3636184774 | | 1999-03-15 | Ethan O'Connor | F | Factor: 449409420494814007 |
|