#!/usr/bin/pythonfor num in range(10,20):  #to iterate between 10 to 20   for i in range(2,num): #to iterate on the factors of the number      if num%i == 0:      #to determine the first factor         j=num/i          #to calculate the second factor         print ‘%d equals %d * %d‘ % (num,i,j)         break #to move to the next number, the #first FOR   else:                  # else part of the loop      print num, ‘is a prime number‘