1,2,3,6,9, and 18
18 and all factors of 18. 18 and all factors of 18. 18 and all factors of 18. 18 and all factors of 18.
They are all factors of 18, but they are not all the factors of 18. Don't forget the number itself.
1,2,3,6,9, and 18
Since 18 is a factor of 54, all of its factors are common.
{1 2 3 4 6 8 9 12 18 24 36 72}
All 6 factors of 18 are: 1, 2, 3, 6, 9, 18.
The common factors of 18 and 36 are 18,9,6,3,2,1.
The factors of 18 are: 1, 2, 3, 6, 9, 18
Common factors of 18 and 20 are: 1 and 2.
Since 18 is a factor of 54, all of its factors are common.
Since 18 is a factor of 180, all of its factors are common.
1,2,3,6,9,18.