def test_lcm_returns_15_given_args_3_and_5(self): assert_equal(lcm(3, 5), 15)
def test_lcm_returns_6_given_args_3_and_6(self): assert_equal(lcm(3, 6), 6)
def test_lcm_returns_6_given_args_6_and_3(self): assert_equal(lcm(6, 3), 6)
def least_common_multiple_from_1_to(number): return reduce(lambda x, y: lcm(x, y), range(1, number + 1))