Divisibility

Quick rules to remember:

A number is divisible by 2 if the last digit is an even number.
It is divisible by 3 if the sum of all digits is divisible by 3.
It is divisible by 4 if the last 2 digits make an even number.
It is divisible by 5 if the last digit is 0 or 5.
It is divisible by 6 if it is divisible by 2 and 3.