// Print if a number n is prime or not (Input n from the user). import java.util.*; public class CheckPrimeNo { public static void main(String args[]) { Scanner sc = new Scanner(System.in); System.out.print("Enter the number: "); int n = sc.nextInt(); int temp = 0; /*boolean isPrime = true; for(int i=2; i<=n/2; i++) { if(n % i == 0) { isPrime = false; break; } } if(isPrime) { if(n == 1) { System.out.println("This is neither prime not composite"); } else { System.out.println("This is a prime number"); } } else { System.out.println("This is not a prime number"); }*/ if(n == 1){ System.out.println("Neihter prime not Composite"); } else{ for(int i=2; i<=n-1; i++) { if(n % i == 0) { temp += 1; } } if(temp == 0){ System.out.println(n+" This number is prime"); }else{ System.out.println(n+"This number is not prime"); } } } }