Question
Find Greatest Common Divisor of 25 and 441, using repeated division.
Answer
The GCD of given numbers is 1.
Explanation
Step 1 : Place the numbers inside division bar:.
| 25 | 441 |
Step 2 : Number 25 and 441, cannot be both divided by any integer number, so the GCD is:
This solution can be visualized using a Venn diagram.
0,0
25
441
1
5
5
3
3
7
7
The GCD equals the product of the numbers at the intersection.
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