Divisibility rules for Numbers with examples

Divisibility Rules for Numbers


Divisibility by 2





-> A number is divisible by 2 if and only if the last digit is divisible by 2.
Example: Not required :)


Divisibility by 3
-> A number is divisible by 3 if and only if the sum of the digits is divisible by 3.
Example: 
Which of the following two numbers is/are fully divisible by 3: 97533222 or 97533322?
Answer:  97533222
Reason:
Sum of