Chapter CSB1.2, Problem 10E

To determine

To find: The GCF of $12,18$

Answer to Problem 10E

GCF $=6$

Explanation of Solution

Given information: The numbers $12,18$

Calculation: The prime factors of $12,18$ are,

  $\begin{array}{l}12=2\cdot 2\cdot 3\\ 18=2\cdot 3\cdot 3\end{array}$

Thus, GCF of $12,18$ is $2\cdot 3=6$ .