Find Prime number by sqrt(JAVA)

import java.util.Scanner;
public class squire{
public static void main(String args[]){
Scanner shuvo=new Scanner(System.in);
int n,i=2;
System.out.println("Enter the number:");
n=shuvo.nextInt();
int temp= (int) Math.sqrt(n);
System.out.println(temp);
if(n%i==0)
{
System.out.println("The number is not prime");
}
else
{
   System.out.println("The number is prime");
}
}
}