| 2890463 | Composite, with 3 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 56 / 280 |
Estimated T-Level: 21.0 ⓘ TF below 2^65 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) | 2017-10-24 | Oliver Kruse | 8C282A251E97129A | 2 | 676421 | 5 | 3 | | Factored | PRP without proof (not generated) | 2017-12-08 | kkmrkkblmbrbk | 8C282A251E97129A | 2 | 1639730 | 5 | 3 | | Verified | PRP without proof (not generated) | 2020-07-14 | storm5510 | 8C282A251E97129A | 3 | 1276169 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2022-12-01 | USAFSS | NF-PM1 | B1=320000, B2=243437040 | | 2020-07-14 | storm5510 | C-PRP | M2890463/5780927/884481679/116860668340888023217 : 8C282A251E97129A | | 2020-07-14 | TJAOI | F | Factor: 116860668340888023217 | | 2017-12-08 | kkmrkkblmbrbk | C-PRP | M2890463/5780927/884481679 : 8C282A251E97129A | | 2017-10-24 | Oliver Kruse | C-PRP | M2890463/5780927/884481679 : 8C282A251E97129A | | 2008-09-07 | Will Edgington | F | Factor: 884481679 |
|
