| 2490811 | Composite, with 3 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 185 / 280 |
Estimated T-Level: 23.3 ⓘ TF below 2^72 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) | 2017-10-14 | Oliver Kruse | B7BF4811555DF965 | 3 | 1338660 | 5 | 3 | | Verified | PRP without proof (not generated) | 2017-11-30 | storm5510 | B7BF4811555DF965 | 3 | 1515271 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2019-07-04 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-11-30 | storm5510 | C-PRP | M2490811/144467039/2030688465593/29092672481 : B7BF4811555DF965 | | 2017-10-14 | Oliver Kruse | C-PRP | M2490811/144467039/2030688465593/29092672481 : B7BF4811555DF965 | | 2008-07-14 | George Woltman | F-ECM | Factor: 29092672481 | | 2008-07-14 | George Woltman | F-ECM | Factor: 2030688465593 |
|
