Question

Using prime factorization method find the lcm of 21,28,36,45

Answer 1

Hi ,

21 = 3 × 7

28 = 2 × 2 × 7

36 = 2 × 2 × 3 × 3

45 = 3 × 3 × 5

LCM = 2² × 3² × 5 × 7

= 1260

I hope this helps you.

:)

Answer 2

hope this will help you