Question

Lcm of 40 and 60 by prime factorization method

Answer 1

Answer: 120

Step-by-step explanation:

First find the prime factors of 40 and 60

Prime factors of 40 = 2*2*2*5

Prime factors of 60 = 2*2*3*5

Now, to find the LCM of these two numbers, we multiply the highest order of those common multiples with each other.

So the LCM of 40 and 60 = 2*2*2*3*5 = 120