java program to check whether a number is prime or not

import java.util.Scanner;

public class prime {

public static void main(String[] args)

{

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

Scanner sc=new Scanner(System.in);

int num;

num=sc.nextInt();

int c=0;

int i=1;

while(i<=num)

{

if(num%i==0)

c++;

i++;

}

if(c==2)

System.out.println("The number is prime");

else

System.out.println("The number is not prime");

}

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