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How do you find all the factors of 28?
2,14,4,7,1,28
Find biggest and smallest factor Your biggest factor is the number itself, ##28##. With the biggest number, you also have the smallest factor, ##1##.
For the rest of the factors; Divide the number by ##2##. ##28/2=14##. Hence you should be looking for factors no bigger than ##14##.
You already have ##14## and ##2##.
Find factors of smaller factors What is a factor of ##14##?
##7##!
If ##7## is a factor of ##14##, it should be a factor of ##28##. If so, what times ##7## becomes ##28##?
4!
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.
