Java program to find the given number is Prime number or not
Java program which takes a number as input and prints its a Prime number or not
import java.util.Scanner;
public class PrimeNumber {
public static void main(String[] args) {
System.out.println("Please enter a number: ");
Scanner in = new Scanner(System.in);
int input = in.nextInt();
in.close();
boolean isPrimeNumber = true;
for (int i = 2; i <= input - 1; i++) {
if (input % i == 0) {
isPrimeNumber = false;
}
}
if (isPrimeNumber == true) {
System.out.println("It's prime number");
} else {
System.out.println("It's not prime number");
}
}
}
Output:
Please enter a number:
27
It's not prime number