Question

Find the LCM of 18 and 45 using prime factorizations. ​

Answer 1

90

Explanation:

18/3

6/3

2/3

45/3

15/3

5/3

Take 5/3 and 2/3

5*3*2*3

90

Answer 2

The L.C.M. of 18 and 45 is 90.