| 2615659 | Composite, with 3 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 191 / 280 |
Estimated T-Level: 23.4 ⓘ TF below 2^73 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 | AF43F3D79E6302DB | 3 | 2025728 | 5 | 3 | | Verified | PRP without proof (not generated) | 2017-12-02 | storm5510 | AF43F3D79E6302DB | 3 | 2265171 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2021-07-18 | ATH | NF-PP1 | Start=2/7, B1=1000000, B2=100000000 | | 2019-07-04 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-12-02 | storm5510 | C-PRP | M2615659/612064207/23394035590561/153248850382319 : AF43F3D79E6302DB | | 2017-10-17 | Oliver Kruse | C-PRP | M2615659/612064207/23394035590561/153248850382319 : AF43F3D79E6302DB | | 2014-02-26 | TJAOI | F | Factor: 153248850382319 | | 2014-01-09 | TJAOI | F | Factor: 23394035590561 |
|
