| 2586709 | Composite, with 3 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 128 / 280 |
Estimated T-Level: 22.3 ⓘ TF below 2^69 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) | 2017-10-15 | Oliver Kruse | F070C6F539C67AC8 | 3 | 763781 | 5 | 3 | | Verified | PRP without proof (not generated) | 2017-12-02 | storm5510 | F070C6F539C67AC8 | 3 | 1283988 | 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 | M2586709/62081017/682891177/2569326041328847 : F070C6F539C67AC8 | | 2017-10-15 | Oliver Kruse | C-PRP | M2586709/62081017/682891177/2569326041328847 : F070C6F539C67AC8 | | 2014-03-31 | pdazzl | F | Factor: 2569326041328847 / TF: 48-54 | | 2008-07-14 | George Woltman | F-ECM | Factor: 682891177 |
|
