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C Programming Examples

#include<stdio.h>

int main() {
	int no, i = 1, sum = 0;
	printf("Check the given number is Perfect Number or not\n");
	printf("Enter a number:\n");
	scanf("%d", &no);

	/* Loop the process using "while loop" */
	while(i < no) {
		if(no % i == 0)
			sum += i;
		i++;
	}
	if(sum == no)
		printf("It's a Perfect Number!\n");
	else
	printf("It's not a Perfect Number!\n");
	return 0;
}


          /****** Output ******/
          

Check the given number is Perfect Number or not

Enter a number:

6

It's a Perfect Number!


----------------------------------------


Check the given number is Perfect Number or not

Enter a number:

8

It's not a Perfect Number!

Learn more about Perfect Number