Question

find lcm of 12,15,21​

Answer 1

❥ answer

to find LCM of ( 12 , 15 , 21 ) first we need to find their factors .

12 - 2 x 2 x 3

15 - 3 x 5

21 - 3 x 7

LCM : 2 x 2 x 3 x 5 x 7

: 4 x 15 x 7

: 28 x 15

: 420

{ ✓ verified answer }