Question

Factor tree for 30 and 54

Answer 1

30=1,2,3,5,6,10,15,30 54=1,2,3,6,9,18,27

Explanation:

A trick to find the factors of a number is to divide it by the smallest prime number (bigger than 1) that goes into it evenly with no remainder. Continue this process with each number you get, until you reach 1.

Hope this helps

Answer 2

30|2

15|3

5|5

1

54|2

27|3

9|3

3|3

1