Question

Find L. C. M of the following:-
(a) 12, 14, 16
(b) 3, 12, 15​

Answer 1

Find L. C. M of the following:-

(a) 12, 14, 16 = 336

(b) 3, 12, 15 = 60

Answer 2

Answer:

(a) 2|12, 14, 16

2|6, 7, 8

2|3, 7, 4

2|3, 7, 2

LCM of 12, 14, 16 is 2 * 2 * 2 * 2 * 2 * 3 * 7 = 672

(b) 2|3, 12, 15

2|3, 6, 15

2|3, 3, 15

3|1, 1, 5

5|1, 1, 1

LCM of 3, 12, 15 is 2 * 2 * 2 * 3 * 5 = 120