Question

Find the LCM of the following ..
120and 168

Answer 1

Answer:

The LCM of 120 and 168 is 840.

Steps to find LCM

the prime factorization of 120

120 = 2 × 2 × 2 × 3 × 5

the prime factorization of 168

168 = 2 × 2 × 2 × 3 × 7

Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:

LCM = 2 × 2 × 2 × 3 × 5 × 7

LCM = 840

Answer 2

Step-by-step explanation:

840 will be the correct answer