| 2619611 | Composite, with 4 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 143 / 280 |
Estimated T-Level: 22.6 ⓘ TF below 2^70 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) | 2017-10-17 | Oliver Kruse | 624EB494B3867A31 | 4 | 2597003 | 5 | 3 | | Verified | PRP without proof (not generated) | 2017-12-02 | storm5510 | 624EB494B3867A31 | 4 | 1279332 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2019-07-04 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-12-02 | storm5510 | C-PRP | M2619611/10127416127/3375987001697/46723591364881/1750203210796591 : 624EB494B3867A31 | | 2017-10-17 | Oliver Kruse | C-PRP | M2619611/10127416127/3375987001697/46723591364881/1750203210796591 : 624EB494B3867A31 | | 2014-06-04 | TJAOI | F | Factor: 1750203210796591 | | 2008-09-30 | markr | F | Factor: 46723591364881 | | 2008-07-14 | George Woltman | F-ECM | Factor: 3375987001697 |
|
