# How do you find the GCF of 12x^5y, 56x^2y^3?

$4 {x}^{2} y$
$12 {x}^{5} y = 2 \cdot 2 \cdot 3 \cdot {x}^{5} y$
$56 {x}^{2} {y}^{3} = 2 \cdot 2 \cdot 2 \cdot 7 {x}^{2} {y}^{3}$
So the greatest common factor is $4 {x}^{2} y$