The GCD of given numbers is 1.
factors of 437 are : | 1 , 19 , 23 , 437 |
factors of 219 are : | 1 , 3 , 73 , 219 |
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.