Find Greatest Common Divisor of 63, 105 and 210, using repeated division.
Answer
The GCD of given numbers is 3.
Explanation
Step 1 : Place the numbers inside division bar:.
| 63 | 105 | 210 |
Step 2 : Divide numbers by 3.
| 3 | 63 | 105 | 210 |
| 21 | 35 | 70 |
Step 3 : Number 21, 35 and 70, 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.
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