• A number is divisible by "2" if it ends in zero or in a digit which is a multiple of "2" i.e. 2,4, 6, 8.


• A number is divisible by "3", if the sum of the digits is divisible by "3".


• A number is divisible by "4" if the number formed by the last two digits, i.e. tens and units are divisible by 4.


• A number is divisible by "5" if it ends in zero or 5.


• A number is divisible by "6" if it divisible by "2" as well as by "3".


• A number is divisible by "8" if the number formed by the last three digits, i.e, hundreds tens and units is divisible by "8".


• A number is divisible by "9" if the sum of its digit is divisible by "9"


• A number is divisible by "10" if it ends in zero.


• A number is divisible by "11" if the difference between the sums of the digits in the even and odd places is zero or a multiple of "11".