| 8238683 | Composite, with 3 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 267 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 47 / 280 |
Estimated T-Level: 20.8 ⓘ TF below 2^64 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) | 2018-09-25 | Oliver Kruse | EC9FAE06A219CDFB | 2 | 5806478 | 5 | 3 | | Factored | PRP without proof (not generated) | 2020-03-20 | marssystems | EC9FAE06A219CDFB | 2 | 7495362 | 5 | 3 | | Verified | PRP without proof (not generated) | 2020-05-07 | riccardo uberti | EC9FAE06A219CDFB | 3 | 4403056 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2022-03-05 | riccardo uberti | NF-PM1 | B1=3000000, B2=60000000 | | 2021-06-02 | riccardo uberti | NF-PP1 | Start=6/5, B1=1500000, B2=30000000 | | 2021-05-31 | riccardo uberti | NF-PP1 | Start=2/7, B1=1500000, B2=30000000 | | 2020-05-07 | riccardo uberti | C-PRP | M8238683/214205759/1845464993/106064993427265246007 : EC9FAE06A219CDFB | | 2020-05-06 | TJAOI | F | Factor: 106064993427265246007 | | 2020-03-20 | marssystems | C-PRP | M8238683/214205759/1845464993 : EC9FAE06A219CDFB | | 2018-09-25 | Oliver Kruse | C-PRP | M8238683/214205759/1845464993 : EC9FAE06A219CDFB | | 2008-09-08 | Will Edgington | F | Factor: 1845464993 |
|
