Find Greatest Common Divisor of 48, 36 and 124, using repeated division.
Answer
The GCD of given numbers is 4.
Explanation
Step 1 : Place the numbers inside division bar:.
| 48 | 36 | 124 |
Step 2 : Divide numbers by 2.
| 2 | 48 | 36 | 124 |
| 24 | 18 | 62 |
Step 3 : Divide numbers by 2.
| 2 | 48 | 36 | 124 |
| 2 | 24 | 18 | 62 |
| 12 | 9 | 31 |
Step 4 : Number 12, 9 and 31, cannot be divided any more. The GCD is:
$$ GCD = 2\cdot2 = 4 $$This solution can be visualized using a Venn diagram.
The GCD equals the product of the numbers at the intersection.
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