Is 81 divisible by 4

Answer 1

No, 81 is not divisible by 4. In order for a number to be divisible by 4, the last two digits must be divisible by 4. In this case, the last two digits of 81 are 81 itself, which is not divisible by 4. Therefore, 81 is not divisible by 4.

Answer 2

Just do the division, and see whether you get a remainder (or decimal with a calculator) or not.

Answer 3

No.