The GCD of given numbers is 2.
Step 1 : Place the numbers inside division bar:.
| 4246 | 4120 | 4142 | 4194 |
Step 2 : Divide numbers by 2.
| 2 | 4246 | 4120 | 4142 | 4194 |
| 2123 | 2060 | 2071 | 2097 |
Step 3 : Number 2123, 2060, 2071 and 2097, cannot be divided any more. The GCD is:
$$ GCD = 2 $$