Chapter CSB1.2, Problem 8E

To determine

To find: The GCF of $21,14$

Answer to Problem 8E

GCF $=7$

Explanation of Solution

Given information: $21,14$

Calculation: The prime factorization of $21,14$ are,

  $\begin{array}{l}21=3\cdot 7\\ 14=2\cdot 7\end{array}$

Thus, GCF of $21,14$ is 7.