Question
Find Greatest Common Divisor of 25 and 777, by listing out the factors.
Answer
The GCD of given numbers is 1.
Explanation
| factors of 25 are : | 1 , 5 , 25 |
| factors of 777 are : | 1 , 3 , 7 , 21 , 37 , 111 , 259 , 777 |
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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