1. Divisibility Rules

2. If the ones digit is divisible by 2, then 2 is a factor of the number. Examples: 4 18 24 112 1806

3. If the sum of the number’s digits is divisible by 3, then 3 is a factor of the number. Examples: 6 18 24 132 9612

4. If the number ends in a 0 or a 5, then 5 is a factor of the number. Examples: 10 85 25 140 7625

5. If the sum of the digits is divisible by 9, then 9 is a factor of the number. Examples: 18 81 27 144 4545

6. If the number ends in 0, then 10 is a factor of the number. Examples: 20 100 30 160 5860

8. How about these Numbers?

9. 7456 Is this number divisible by: 2 3 9 5 10

10. 369 Is this number divisible by: 2 3 9 5 10

11. 33450 Is this number divisible by: 2 3 9 5 10