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Grades 6, 7 and 8 - Math - Middle School - Factors and Common Factors
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A common factor is a number that can be evenly divided into a collection or series of whole numbers.  For example, the number 1 is a common number that can be evenly divided into any series of whole numbers.
Finding the factors of a whole number begins with starting with the number “1” and then dividing it with the given number.  

Grades 6, 7 and 8 - Math - Middle School - Factors and Common Factors
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10 Questions

1. For the whole number given below, find the right answer that lists all of the number’s factors.

19
2. For the whole number given below, find the right answer that lists all of the number’s factors.

27
3. For the whole number given below, find the right answer that lists all of the number’s factors.

13
4. For the whole number given below, find the right answer that lists all of the number’s factors.

24
5. For the whole number given below, find the right answer that lists all of the number’s factors.

16
6. For the whole number given below, find the right answer that lists all of the number’s factors.

21
7. For the whole number given below, find the right answer that lists all of the number’s factors.

9
8. For the whole number given below, find the right answer that lists all of the number’s factors.

12
9. For the whole number given below, find the right answer that lists all of the number’s factors.

36
10. For the whole number given below, find the right answer that lists all of the number’s factors.

18