Question

Always sometimes or never true is the Lcm of two numbers is the product of two numbers

Answer 1

Sometimes.

The LCM of  6  and  7  is  42,  but the LCM of  2  and  10  is  10 .

Answer 2

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) $5,21$

$LCM=5*21\\ LCM=105$

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

2) $8,10$

$8=2^{3} \\ 10=2*5$

$LCM=2^{3}*5\\ LCM=40$

in this case the LCM of two numbers is not the product of the two numbers

therefore

the answer is

Sometimes