Euler5.scala

object Euler5 extends App {
   def divAll(start: Int = 1, end: Int, num: Int): Int = {
       if (start == end) num
       else if (num % start == 0) divAll(start+1, end, num)
       else divAll(end = end, num = num+1)
   }
  println(divAll(1,20,20))
}