Divisibility Rule of 4: Rule, Examples

Divisibility Rule of 4

A number is divisible by 4 if the last two digits form a number that is divisible by 4.

If the last two digits can be divided by 4 without a remainder, then the whole number is divisible by 4.

 

Steps to Check Divisibility by 4

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

2. Check if that number is divisible by 4.

3. If it is, then the whole number is divisible by 4.

Examples

Example 1: Is 7,216 divisible by 4?

1. Last two digits: 16

2. Check divisibility: 16 ÷ 4 = 4 (No remainder)

7216 is divisible by 4.

Example 2: Is 3,245 divisible by 4?

1. Last two digits: 45

2. Check divisibility: 45 ÷ 4 = 11.25 (Not a whole number)

3245 is not divisible by 4.

Know the divisibility rule of 6 here.

Try It Yourself:

Are they divisible by 4?
1. 5648
2. 9212
3. 4321

FAQs

1. How to find if a number is divisible by 4?

To check if a number is divisible by 4, look at the last two digits. If those two digits form a number divisible by 4, then the whole number is divisible by 4.

2. Is 31795072 divisible by 4?

Yes, because the last two digits are 72, and 72 ÷ 4 = 18. So, 31795072 is divisible by 4.

3. What is the divisibility by 4 trick?

The trick is to check the last two digits of a number. If those digits are divisible by 4, the whole number is divisible by 4.