Math Fundamentals
Divisibility & Factors

Use the following list of numbers for
problems #1 - #4:
65, 176, 50, 750, 495, 7300, 741

1. Which of the numbers are divisible by 2?

2. Which of the numbers are divisible by 3?

3. Which of the numbers are divisible by 5?




Find all the factors of the number:

5. 15

6. 24

7. 9

8. 33

9. 11

10. 36
  Find the greatest common
factor (GCF) of the following groups of numbers:


16. 3 and 6

17. 24 and 36

18. 36 and 48

19. 33 and 44

20. 15 and 20


21. 24 and 40

22. 10 and 30

24. 6 and 18
       
Find the prime factorization:

11. 16

12. 21

13. 24

14. 55

15. 40
 

 
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