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