???????????? "komposit number" ?????????????... thats a straenj guvt krat inbented garbage... it meen NONPRIME, ie a number that hav 1+ fakters... ???so yu want a nonprime & 19 tu hav kommon fakters ????? me hope yuno: 19 is a PRIME. Oenlee wae tu hav kommon fakters it get a MULTIPEL av 19... such as 2*19=38