C Program to Check a Number is Even or Odd Number

C Program to Check a Number is Even or Odd Number.

Even number: Any integer (never a fraction) that can be divided exactly by 2 is called Even number.

Example: 2,4,6,8,10,12,14.

Odd number: Any integer (not a fraction) that cannot be divided exactly by 2 is called Odd number.

Example: 1,3,5,7,9,11,13.
Program to check Even (or) Odd Number

Even and Odd Number Program in C: 

To understand this example, you should have the knowledge of following topics:

C program to Check Even (or) Odd Number:
#include <stdio.h>
int main()
{
    int x;
    printf("Enter the value of x = ");
    scanf("%d", &x);
    if(x % 2 == 0)
        printf("%d is even.", x);
    else
        printf("%d is odd.", x);
    return 0;
}
Output:

Enter the value of x = 7
7 is odd.

Explanation:

  • First, the entered number is Checked with the condition (x % 2) if the entered value is divided by “ 2 ”  the number is Even number if the condition is failed then the Number is Odd Number.In the above condition modulus(%) implies the remainder value.
  • Let the value of 'x' entered is 7.
  • If (x%2==0) then ‘x’ is an Odd number, else Even. If (7%2==0) then 7 is an Odd number, else Even.

Even and Odd Number Program in C Using Conditional Operator:

C Even Odd number program:
#include <stdio.h>
int main()
{
    int x;
    printf("Enter the value of x = ");
    scanf("%d", &x);
    (x % 2 == 0) ? printf("%d is even.", x) : printf("%d is odd.", x);
    return 0;
}

Output:
Enter the value of x = 14.

14 is Even.

Even Odd number program in C using Bitwise operator:

C Even Odd number program:
#include<stdio.h>
int main()
{
   int x;
   printf("Enter the value of x = ");
   scanf("%d",&x);
   if ( x & 1)
      printf("%d is an odd number.", x);
   else
      printf("%d is an even number.", x);
   return 0;
}

Output:
Enter the value of x = 14
14 is an even number.
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