we know that
The Least Common Multiple (LCM) of two numbers is the product of the two numbers only when they are relatively prime.if two numbers share a common factor, then the LCM of two numbers is not the product of the two numbers.
Examples
1)


in this case the LCM of two numbers is the product of the two numbers
2)



in this case the LCM of two numbers is not the product of the two numbers
therefore
the answer is
Sometimes