When learning about multiples and divisors, there are several rules of divisibility that a student may encounter. Below, we list some famous rules of divisibility:

### A number is divisible by...

**2:** If the last digit is even.

**3:** If the sum of digits is a multiple of 3.

**4:** If the last 2 digits are a multiple of 4.

**5:** If the last digit is either 0 or 5.

**6:** If it is divisible by both 2 and 3

**8:** If the last 3 digits are a multiple of 8.

**9:** If the sum of digits is a multiple of 9.

**10:** If the last digit is 0.

**11:** If the alternating sum of digits is a multiple of 11.

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