# How do you find the GCF of 7x^2, 15xy?

Mar 10, 2018

The GCF is $x$.
$7 {x}^{2} = 7 \cdot x \cdot x$
$15 x y = 3 \cdot 5 \cdot x \cdot y$
$\therefore x$ is the Greatest (and only) Common Factor between the two expressions.