Divisibility rules 2 to 12

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1. DIVISIBILITY RULES Prepared by: Jenny Tuazon

2. Divisible by 2 The last digit should be even number (0, 2, 4, 6,8) Examples: 1. 310 2. 2 318 3. 31 872

3. Divisible by 3 The sum of the digits should be divisible by 3. Example: 813

4. Divisible by 4 The last 2 digits should be divisible by both 2 and 4. Example: 216

5. Divisible by 5 The last digit should be 0 or 5. Example: 1 415, 21 870, 100

6. Divisible by 6 The number should be divisible by both 2 and 3. Example: 258

7. Divisible by 7 Multiply the last digit by 2. Subtract it from the rest of the numbers. If the difference is divisible by 7, then the original number is also divisible by 7. Example: 532

8. Divisible by 8 The last 3 digits should be divisible by 8 Example: 4 328

9. Divisible by 9 The sum of the digits should be divisible by 9. Example: 4 977

10. Divisible by 10 The last digit should be 0. Example: 4 970

11. Divisible by 11 The difference of the sums of the alternating digits is 0 or 11 Example: 9 460

12. Divisible by 12 The number is divisible by both 3 and 4 Example: 240 612