The GCD of given numbers is 44.
Step 1 :
Divide $ 220 $ by $ 88 $ and get the remainder
The remainder is positive ($ 44 > 0 $), so we will continue with division.
Step 2 :
Divide $ 88 $ by $ \color{blue}{ 44 } $ and get the remainder
The remainder is zero => GCD is the last divisor $ \color{blue}{ \boxed { 44 }} $.
We can summarize an algorithm into a following table.
220 | : | 88 | = | 2 | remainder ( 44 ) | ||
88 | : | 44 | = | 2 | remainder ( 0 ) | ||
GCD = 44 |
This solution can be visualized using a Venn diagram.
The GCD equals the product of the numbers at the intersection.