Divisibility Rule of 8: Rule, Examples

Divisibility Rule of 8

A number is divisible by 8 if the last three digits of the number form a number that is divisible by 8.

If the last three digits can be divided by 8 without a remainder, then the whole number is divisible by 8.

Steps to Check Divisibility by 8

1. Look at the last three digits of the number.

2. Check if that three-digit number is divisible by 8.

3. If it is, then the whole number is divisible by 8.

Examples

Example 1: Is 7,192 divisible by 8?

1. Last three digits: 192

2. Check divisibility: 192 ÷ 8 = 24 (No remainder)

7192 is divisible by 8.

Example 2: Is 3,245 divisible by 8?

1. Last three digits: 245

2. Check divisibility: 245 ÷ 8 = 30.625 (Not a whole number)

3245 is not divisible by 8.

Try It Yourself:

Are they divisible by 8?
1. 5648
2. 9216
3. 4321