Here is a easy way to figure this out.
1 x 40
2 x 20
4 x 10
5 x 8
All the numbers you used to multiply are the factors.
1, 2, 4, 5, 8, 10, 20, 40 are your factors of 40
Hope I was able to help you. :-)
You would see what numbers go into 40 evenly Factors Of 40:1,2,4,5,8,10,20
To find the factors of 40, divide the number by whole numbers starting from 1, noting those that result in a whole number. The complete list of factors is 1, 2, 4, 5, 8, 10, 20, and 40. Each factor is a component that multiplies with another to produce 40.
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