prime numbers from 1 to 100
// find all numbers prime java public class IsNumberIsSimple { public static void main (String args[]) { for ( int i=0; i < 100; i++) { isNumberIsSimple(i); } } public void isNumberIsSimple(num){ for ( int i=2; i < num; i++) { if ( num%i == 0) { return; } } System.out.println("Very well! It's simple! " + num); } } //1, 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97