Question

question
identify the greatest common factor of $18y$ and $18$.

Explanation:

Step1: List factors of 18y

Factors of $18y$: $1, 2, 3, 6, 9, 18, y, 2y, 3y, 6y, 9y, 18y$

Step2: List factors of 18

Factors of $18$: $1, 2, 3, 6, 9, 18$

Step3: Find the largest common factor

The largest value present in both lists is 18.

Answer:

18