Question
Find Greatest Common Divisor of 45 and 10, by listing out the factors.
Answer
The GCD of given numbers is 5.
Explanation
| factors of 45 are : | 1 , 3 , 5 , 9 , 15 , 45 |
| factors of 10 are : | 1 , 2 , 5 , 10 |
We see that the Greatest Common Factor = 5.
This solution can be visualized using a Venn diagram.
The GCD equals the product of the numbers at the intersection.
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