Is the least common postive multiple of positive integers x and y equal to the product xy?
(1) The LCM of x and y is 42.
(2) The GCD of x and y is 1
(1) The LCM of x and y is 42.
(2) The GCD of x and y is 1
Please help. Why not D and why B. [since With 1 it is proved that x and y LCM = xy]