if the lcm of a and b is 72 and their hcf is 6 , what is the product of a & b ?
the most important property of lcm ( the least common multiple ) and gcd ( the greatest common divisors ) is : for any positive integers x and y , x ∗ y = gcd ( x , y ) ∗ lcm ( x , y ) so ab = 72 * 6 = 432 . answer : a
multiply(6, 72)