Divisibility of a number

This post will tell you how to find whether a number is divisible by 2,3,4,5,6,9,10,11

1. Divisible by 2

   If the digit is an even number, then it is divisible by 2.
   Eg: 2,206, 622 etc


2. Divisible by 3

   If the sum of the digits of the number is divisible by 3.
   Eg :216, 621

3. Divisible by 4

   If the last two digits of a number is divisible by 4.
   Eg: 544, 384 etc

4. Divisible by 5

   If the last digit of the number is either 0 or 5.
   Eg : 25, 625

5. Divisible by 6.


6. Divisible by 7.


7. Divisible by 8.
    if the last 3 digits of the number is divisible by 8.


8. Divisible by 9.

   if the sum of digits of number is divisible by 9.
   eg : 54, 72 etc

9. Divisible by 10.
   If the last digit of the number is 0.

10. Divisible by 11.

    If the sum of odd number digits - sum of even number digit is divisible by 11.
    eg : 363,

11.Divisible by 16.

    If the last four digit of the number is divisible by 16.

Thanking you,