Find Greatest Common Divisor of 168 and 504, using repeated division.

The GCD of given numbers is 168.

Step 1 : Place the numbers inside division bar:.

Step 2 : Divide numbers by 2.

Step 3 : Divide numbers by 2.

Step 4 : Divide numbers by 2.

Step 5 : Divide numbers by 3.

Step 6 : Divide numbers by 7.

Step 7 : Number 1 and 3, cannot be divided any more. The GCD is:

This solution can be visualized using a Venn diagram.

The GCD equals the product of the numbers at the intersection.