Question

Find all the common factors of $12$ and $27$?

Answer 1

Finding the common factor of $12$ and$27$:

Factors of $12$ are $1,2,3,4,6,and12$

Factors of $27$ are $1,3,7and27$

Hence, the common factors of $12\mathrm{and}27\mathrm{is}$$3$