C Program to Check Whether a Number is Even or Odd


This program will check whether a number is even or odd.

An even number is the one that is exactly divisible by 2. On the other hand, an odd number is the one which is not exactly divisible by 2.

In this program, we will use this logic to check whether a number is even or odd.

To write this program, you should know about the following C programming concepts:

1. C programming operators

2. if….else statement



int main()


int x;

printf("Enter a number:");


if(x%2==0) //checking whether x when divided by 2 gives 0 as remainder or not


printf("%d is an even number",x); //statement will be printed if the above condition is true




printf("%d is a odd number",x); // if the condition is false then this statement gets printed


return 0;





‘x’ is a variable whose value will be entered by the user.

if(x%2==0) here we will check whether the remainder obtained by the division of x by 2 gives 0 or not. If it results true then the body of the ‘if’ statement will be executed.

If the above condition is false, then the body of the else part is executed.

In the output section, the value of ‘x’ is 9865247, which is an odd value, thus the body of the ‘else’ statement is executed.


  • Barry Allen

    A Full Stack Developer with 10+ years of experience in different domain including SAP, Blockchain, AI and Web Development.


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