Please some me full L.C.M method

Dear Student.

        Divisors

2	15, 180, 20, 27
2	15, 90, 10, 27
3	15, 45, 5, 27
3	5, 15, 5, 9
5	5, 5, 5, 3
3	1, 1, 1, 3
	1, 1, 1, 1

Hence, multiplying the common divisors: 2 x 2 x 3 x 3 x 3 x 5 = 540
Hence LCM of 15, 180, 20, 27 is 540.

We hope that this answer solves your query.
Regards.