C program to Check whether a Number is Perfect Number or not

By | November 5, 2016

Check whether Number is Perfect Number or not


Write a C program to Check whether a Number is Perfect Number or not. Here’s simple C program to Check whether a Number is Perfect Number or not in C Programming Language.


Numbers in C


Normally, when we work with Numbers, we use primitive data types such as int, short, long, float and double, etc. The number data types, their possible values and number ranges have been explained while discussing C Data Types.


Here is source code of the C program to Check whether a Number is Perfect Number or not. The C program is successfully compiled and run(on Codeblocks) on a Windows system. The program output is also shown in below.


SOURCE CODE : :


/*  C program to Check whether a Number is Perfect Number or not  */

#include <stdio.h>

int main()
{
    int num,loop;
    int sum;

    printf("\nEnter any number :: ");
    scanf("%d",&num);


    sum=0;

    for(loop=1; loop<num;loop++)
    {
        if(num%loop==0)
            sum+=loop;
    }

    if(sum==num)
        printf("\nThe Entered Number [ %d ] is a Perfect Number.\n",num);
    else
        printf("\nThe Entered Number [ %d ] is not a Perfect Number.\n",num);

    return 0;
}

Output : :


/*  C program to Check whether a Number is Perfect Number or not  */

Enter any number :: 626

The Entered Number [ 626 ] is not a Perfect Number.

Process returned 0

Above is the source code for C program to Check whether a Number is Perfect Number or not which is successfully compiled and run on Windows System.The Output of the program is shown above .

If you found any error or any queries related to the above program or any questions or reviews , you wanna to ask from us ,you may Contact Us through our contact Page or you can also comment below in the comment section.We will try our best to reach up to you in short interval.


Thanks for reading the post….

Leave a Reply