How do you figure out the smallest number with factors?

Answer 1

if you do lcm(least commam multible)or whatever then yhu see the least number in comman ok like 2,and 3.

2-2,4,6,8,10,12,14

3-3,6,9,12,15,18,21

and the yhu look at the smallest number in comman and the number is 6 thats how you find of that :)