Question
Find Greatest Common Divisor of 2, 8, 3, 5, 7, 11, 13, 2, 8, 3, 11, 13, 7 and 17, by listing out the factors.
Answer
The GCD of given numbers is 1.
Explanation
| factors of 2 are : | 1 , 2 |
| factors of 8 are : | 1 , 2 , 4 , 8 |
| factors of 3 are : | 1 , 3 |
| factors of 5 are : | 1 , 5 |
| factors of 7 are : | 1 , 7 |
| factors of 11 are : | 1 , 11 |
| factors of 13 are : | 1 , 13 |
| factors of 2 are : | 1 , 2 |
| factors of 8 are : | 1 , 2 , 4 , 8 |
| factors of 3 are : | 1 , 3 |
| factors of 11 are : | 1 , 11 |
| factors of 13 are : | 1 , 13 |
| factors of 7 are : | 1 , 7 |
| factors of 17 are : | 1 , 17 |
We see that the Greatest Common Factor = 1.
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