Question

find the GCF of 40 and 42

Answer 1

Given:

The given numbers are 40 and 42.

Required:

We gave to find the GCD of the given numbers.

Explanation:

To find the GCD of the given numbers we have to find the factors of the given numbers.

$40=2\times2\times2\times5$$42=2\times3\times7$

The GCD means the greatest common factor. And we can see that only one 2 is present in both the factors. So the required GCD is 2.

Final answer:

Hence the final answer is 2.