| 2623223 | Composite, with 3 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 126 / 280 |
Estimated T-Level: 22.3 ⓘ TF below 2^69 is very unlikely to find new factors due to ECM effort. |
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2017-10-17 | Oliver Kruse | F412F3CAC33910B1 | 3 | 719281 | 5 | 3 | | Verified | PRP without proof (not generated) | 2017-12-02 | storm5510 | F412F3CAC33910B1 | 3 | 1815593 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2019-07-04 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-12-02 | storm5510 | C-PRP | M2623223/5246447/702247289993/2234937259627802479 : F412F3CAC33910B1 | | 2017-10-17 | Oliver Kruse | C-PRP | M2623223/5246447/702247289993/2234937259627802479 : F412F3CAC33910B1 | | 2016-03-18 | TJAOI | F | Factor: 2234937259627802479 | | 2008-07-14 | George Woltman | F-ECM | Factor: 702247289993 |
|
