A number is divisible by:
2-------If the number is even
3------If the sum of the digits of the number is divisible by 3
4------If the last two digits are divisible by 4
5-----If the last digit is 0 or 5
6-----If the number is divisible by BOTH 2 and 3
9-----If the smb of the digits is divisible by 9
10------If the last digit is 0