Question

Write a program in java to find out if a number is a perfect number or not?

Answer 1

Answer:

Java Program to Check if a given Number is Perfect Number. ... A perfect number is a positive integer that is equal to the sum of its proper positive divisors excluding the number itself. Enter any integer as an input.

Answer 2

Question:

Write a program in Java to find out if a number is a perfect number or not.

Answer:

import java.until*;

public class perfectnum

{

public static void main (string [ ] args)

{

int sum=0,i;

Scanner sc=new Scanner(System.in);

System.out.println("Enter a number");

int a=sc.nextInt();

for(i=1;i<=n;i++)

{

if(num%i==0)

sum=sum+i;

if(num%num==0)

continue;

System.out.println("It's a perfect number");

}

System.out.println("not a perfect number");

}

}

_______________________________