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Divisibility Rules Formulas Revision

Click the option on the left followed by your answer on the right

1

2

The last digit is even

2

3

Sum of the digits is divisible by 3

3

4

The last two digits form a number that is divisible by 4

4

5

The last digit is 0 or 5

5

6

The last digit is even and sum of the digits is divisible by 3

6

8

The sum of the ones digit, double the tens digit, and four times the hundreds digit is divisible by 8

7

9

The sum of the digits must be divisible by 9

8

10

The last digit is 0

9

11

sum(odd) - sum(even) is divisible by 11

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