The GCD of given numbers is 3.
Step 1 : Place the numbers inside division bar:.
369 | 345 |
Step 2 : Divide numbers by 3.
3 | 369 | 345 |
123 | 115 |
Step 3 : Number 123 and 115, cannot be divided any more. The GCD is:
$$ GCD = 3 $$This solution can be visualized using a Venn diagram.
The GCD equals the product of the numbers at the intersection.