| 2176313 | Composite, with 3 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 262 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 205 / 640 |
Estimated T-Level: 26.6 ⓘ TF below 2^83 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) | 2017-10-10 | kkmrkkblmbrbk | FAC7307593095C44 | 2 | 0 | 1 | 3 | | Factored | PRP without proof (not generated) | 2017-10-23 | Oliver Kruse | FAC7307593095C44 | 2 | 774667 | 1 | 3 | | Verified | PRP without proof (not generated) | 2018-12-13 | Oliver Kruse | 45B2A3506020471F | 3 | 1289503 | 5 | 3 | | Verified | PRP without proof (not generated) | 2018-12-13 | storm5510 | 45B2A3506020471F | 3 | 1970793 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2018-12-13 | storm5510 | C-PRP | M2176313/9725520592279/23913936611641/51635772194578956953 : 45B2A3506020471F | | 2018-12-13 | Oliver Kruse | C-PRP | M2176313/9725520592279/23913936611641/51635772194578956953 : 45B2A3506020471F | | 2018-12-11 | TJAOI | F | Factor: 51635772194578956953 | | 2017-10-23 | Oliver Kruse | C-PRP | M2176313/9725520592279/23913936611641 : FAC7307593095C44 | | 2017-10-10 | kkmrkkblmbrbk | C-PRP | M2176313/9725520592279/23913936611641 : FAC7307593095C44 | | 2016-03-15 | alpertron | NF-PM1 | B1=500000, B2=15000000, E=12 | | 2008-09-30 | markr | F | Factor: 23913936611641 |
|
