Find Greatest Common Divisor of 170 and 122, by listing out the factors.
Answer
The GCD of given numbers is 2.
Explanation
| factors of 170 are : | 1 , 2 , 5 , 10 , 17 , 34 , 85 , 170 |
| factors of 122 are : | 1 , 2 , 61 , 122 |
We see that the Greatest Common Factor = 2.
This solution can be visualized using a Venn diagram.
The GCD equals the product of the numbers at the intersection.
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