Fined the LCM (18,24)

Question

using the prime factorization method 

Answer 1

prime factorization of

 

18 : 2*3*3

24 : 2*2*2*3

 

Hence a 2*3 is common to both...

18 : [2*3] *3

24 : [2*3] *2*2

 

hence the LCM is [2*3]*[3]*[2*2]=6*3*4=72