Question

find the l.c.m. of 18,36,50,72? ​

Answer 1

Answer:

Steps of finding by division method:

2 | 18, 36, 60, 72

3 | 9, 18, 30, 36

3 | 3, 6, 10, 12

2 | 1, 2, 10, 4

2 | 1, 1, 5, 2

5| 1, 1, 5, 1

   1, 1, ,1, 1

Hence, LCM = 2 * 3 * 2 * 2 * 3 * 5

                      = 2^3 * 3^2 * 5

         

                      = 360