Prime Number Program:
Prime number is a number that is divided by 1 or itself and greater than 1 . In other words, prime numbers can’t be divided by 1 (or) other numbers than itself. For example 2, 3, 5, 7, 11, 13, 17,19,23,29…. etc. are the
prime numbers.import java.util.Scanner; public class primenumber {
public static void main(String args[]) {
int n, count=0; System.out.println(“enter the n value ;”);
Scanner s=new Scanner(System.in);
n=s.nextInt(); for(int i=1;i<=n;i++) { if(n%i==0) { count++; } } if(count<=2) { System.out.println(“the given number is prime number”);
}
else { System.out.println(“the given not number isprime number”);
} }
output:
enter n value: 4 The given number is not a prime number
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