for num in range(10, 20): for i in range(2, num): j = num / i print "%d equals %d * %d" % (num, i, j) break else: print num, "is a prime number"
Standard input is empty
10 equals 2 * 5 11 equals 2 * 5 12 equals 2 * 6 13 equals 2 * 6 14 equals 2 * 7 15 equals 2 * 7 16 equals 2 * 8 17 equals 2 * 8 18 equals 2 * 9 19 equals 2 * 9