Find Greatest Common Divisor of 1716 and 1260, using repeated division.
Answer
The GCD of given numbers is 12.
Explanation
Step 1 : Place the numbers inside division bar:.
| 1716 | 1260 |
Step 2 : Divide numbers by 2.
| 2 | 1716 | 1260 |
| 858 | 630 |
Step 3 : Divide numbers by 2.
| 2 | 1716 | 1260 |
| 2 | 858 | 630 |
| 429 | 315 |
Step 4 : Divide numbers by 3.
| 2 | 1716 | 1260 |
| 2 | 858 | 630 |
| 3 | 429 | 315 |
| 143 | 105 |
Step 5 : Number 143 and 105, cannot be divided any more. The GCD is:
$$ GCD = 2\cdot2\cdot3 = 12 $$This solution can be visualized using a Venn diagram.
The GCD equals the product of the numbers at the intersection.
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