Question

Identify the greatest common factor of 18, a, to the power 4 , w, cubed, x, cubed18a
4
w
3
x
3
and 2, w, to the power 4 , x, squared2w 4 x 2.

Answer 1

First find the numeric GCF: gcd(18,2) = 2.

For each variable take the smaller exponent:
- a: appears only in the first, so not included.
- w: min(3,4) = 3 → w^3
- x: min(3,2) = 2 → x^2

So the greatest common factor is 2w^3x^2.