The greatest common factor of 18 and a mystery number is 6. Give three possible values for the mystery problem

Question

The greatest common factor of 18 and a mystery number is 6. Give three possible values for the mystery problem.

Answer 1

needs to be a number or numbers that have as greatest common factor 6, after decomposing 18 in its factors, 3,3,2, I reach the possible numbers:

12------24------------36-----------6