In each list, match the ends in pairs
For example, all the factors of 24 are 1 2 3 4 6 8 12 24
1,24
2,12
3,8
4,6
If you have done it right, all the numbers will be used up.
Which list shows all the factors of 18?
1, 2, 3, 4, 6, 9, 18
1, 2, 3, 6, 9, 18
2, 3, 4, 6, 9
2, 3, 6, 9
2 answers
I think it is 1,2,3,4,6,9,18