Question: what are the least common factors of 18 and 45?
Answer: Properties of LCM of 18 and 45 To sum up, the lcm of 18 and 45 is 90. In common notation: lcm (18,45) = 90. If you have been searching for lcm 18 and 45 or lcm 18 45 then you have come to the correct page, too.