How to tell if a number is divisible by 8?

You can tell if a number is divisible by 8 by performing the divisibility test for 8 on the number.

Answer: To see if a number is divisible by 8, check if its last 3 digits are divisible by 8

If the last 3 digits are divisible by 8, then the whole number is also divisible by 8

Explanation:

Let us consider an example is 134856 divisible by 8

Take the last 3 digits of 134856 and divide them by 8.

We can see that 856/8 = 107

Since we are left with no remainder 856 is divisible by 8 and therefore 134856 is indeed divisible by 8.

Hence to see if a number is divisible by 8, check if its last 3 digits are divisible by 8