| 2493089 | Composite, with 4 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 233 / 280 |
Estimated T-Level: 24.2 ⓘ TF below 2^75 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 | F4BF0843B47C0C0F | 4 | 2338048 | 5 | 3 | | Verified | PRP without proof (not generated) | 2017-11-30 | storm5510 | F4BF0843B47C0C0F | 4 | 231456 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2022-03-10 | LordJulius | NF | no factor TF: 62-63 | | 2022-03-10 | LordJulius | NF | no factor TF: 60-62 | | 2019-07-04 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-11-30 | storm5510 | C-PRP | M2493089/19944713/410716468039/1116112589280621103/11859152079108464929 : F4BF0843B47C0C0F | | 2017-10-14 | Oliver Kruse | C-PRP | M2493089/19944713/410716468039/1116112589280621103/11859152079108464929 : F4BF0843B47C0C0F | | 2017-02-03 | TJAOI | F | Factor: 11859152079108464929 | | 2015-12-28 | TJAOI | F | Factor: 1116112589280621103 | | 2008-07-14 | George Woltman | F-ECM | Factor: 410716468039 |
|
