Question

Two numbers have prime factorizations of 2 2 • 3 2 • 5 and 2 • 3 • 5.

Which expression can be used to find their least common multiple?

Answer 1

The LCM is the product of all of the highest power from the two
For instance
LCM ( 2*2*3*5*7, 2*3*5*5*19) = \[2^2*3*5^2*7*19\]