Find Greatest Common Divisor of 19, 37, 40, 63, 69 and 17, by listing out the factors.
Answer
The GCD of given numbers is 1.
Explanation
| factors of 19 are : | 1 , 19 |
| factors of 37 are : | 1 , 37 |
| factors of 40 are : | 1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 |
| factors of 63 are : | 1 , 3 , 7 , 9 , 21 , 63 |
| factors of 69 are : | 1 , 3 , 23 , 69 |
| factors of 17 are : | 1 , 17 |
We see that the Greatest Common Factor = 1.
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