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

robaa
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2022-11-24
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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.

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robaa
2022-11-24
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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 .

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C Number Solved Programs – C Programming
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