Question

1. 18, 24

gcf(18, 24) = _______

Explanation:

Step1: List factors of 18

$1, 2, 3, 6, 9, 18$

Step2: List factors of 24

$1, 2, 3, 4, 6, 8, 12, 24$

Step3: Identify common factors

$1, 2, 3, 6$

Step4: Select the largest common factor

The maximum value in $\{1, 2, 3, 6\}$ is 6.

Answer:

6