Question

Write a program to find the given number is a perfect number or not. it is the sum of factors ,excluding itself or equal to itself. Ex:- 6 - 1+2+3 =6​

Answer 1

Answer:

6-6

=0

or

5+5=10 ihad write two types yu choose the right answer

Answer 2

Question:-

• Write a program to find whether a given number is perfect number or not.

Code:-

A number is said to be a perfect number if the sum of its proper factors is equal to the number itself.

Here is the code given,

import java.util.*;

class Perfect_Number

{

public static void main(String args[])

{

Scanner sc = new Scanner(System.in);

System.out.print("Enter a number: ");

int n=sc.nextInt();

int s=0;

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

{

if(n%i==0)

s+=i;

}

if(s==n)

System.out.println("Given number is a perfect number.");

else

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

}

}