C program to find the perfect number using while loop| Perfect number in C |E-studyblog

 In this Article, you will learn  C program to find the perfect number using while loop.

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C program to find the perfect number using while loop| Perfect number in C |E-studyblog

Perfect number :

A Perfect number is  a positive number which is equal to the sum of its proper divisors.

For Example: 6 is a perfect number since it is divisible by 1,2 and 3.

Others Perfect numbers are :28,496 Etc

C program to find the perfect number using while loop:

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/* C program to find the perfect number using while loop */ #include <stdio.h> int main(){ int i=1,n,s=0; printf("\nEnter an Integer:"); scanf("%d",&n); while(i<n) { if(n%i==0) s=s+i; i=i+1; } if(s==n) printf("%d is a Perfect Number:",n); else printf("%d is not the Perfect Number:",n); return 0; }

Output:

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