How do you find all the factors of 28?
Find biggest and smallest factor
Your biggest factor is the number itself,
For the rest of the factors;
Divide the number by
You already have
Find factors of smaller factors
What is a factor of
Every factor has its pair
If you've found a factor, ie: 2, It should have its pair. Just divide the number by 2.
If a factor is 7, divide 28 by 7 and you get 4.