They are all factors of 18, but they are not all the factors of 18. Don't forget the number itself.
Since 18 is a factor of 54, all of its factors are common.
The factors of 18 are 1, 2, 3, 6, 9, 18. For them to be common, they need to be compared to another set of factors.
The factors of 18 are 1, 2, 3, 6, 9, and 18 The factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30
18 = 2*3*3 So composite factors of 18 are: 2*3 = 6 3*3 = 9 and 2*3*3 = 18 These are all the factors of 18 other than 1 and its prime factors (2 and 3)
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.
All factors of 18 are factors of 36, because 18 itself is a factor of 36.
1,2,3,6,9, and 18
Since 18 is a factor of 54, all of its factors are common.
1,2,3,6,9, and 18
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.
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.
The factors of 18 are: 1, 2, 3, 6, 9, 18
Common factors of 18 and 20 are: 1 and 2.