| 2810663 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| P-1 factors | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 80 / 640 |
Estimated T-Level: 25.6 ⓘ TF below 2^80 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 |
|---|
| Factored | PRP without proof (not generated) | 2017-10-21 | Oliver Kruse | 9D575B5BE6066CFC | 1 | 1800707 | 5 | 3 | | Factored | PRP without proof (not generated) | 2017-12-06 | kkmrkkblmbrbk | 9D575B5BE6066CFC | 1 | 1823021 | 5 | 3 | | Verified | PRP without proof (not generated) | 2019-04-30 | storm5510 | 9D575B5BE6066CFC | 2 | 814505 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2021-09-15 | Dylan Delgado | NF-PM1 | B1=1000000, B2=71000000 | | 2019-04-30 | storm5510 | C-PRP | M2810663/5621327/5083801419980785922657 : 9D575B5BE6066CFC | | 2019-04-30 | Joss | F-PM1 | Factor: 5083801419980785922657 / B1=200000 | | 2017-12-06 | kkmrkkblmbrbk | C-PRP | M2810663/5621327 : 9D575B5BE6066CFC | | 2017-10-21 | Oliver Kruse | C-PRP | M2810663/5621327 : 9D575B5BE6066CFC |
|
