Question

In the following exercises, find the greatest common factor.

$8,18$

Short answer

GCF is 2.

Step-by-step solution

Step 1. Given information.

The given expressions are:

$8,18$

Step 2. Find the GCF.

Factor each coefficient into primes and write the variables with exponents in expanded form.

$$\begin{gathered} 8=2·2·2 \\ 18=2·3·3 \end{gathered}$$

Bring down the common factors,

GCF$=2$