Question

Find the LCM of
6, 8 and 9

Answer 1

$3|6,8,9$

_____________

$3|2,8,3$

_____________

$2|2,8,1$

_____________

$2|1,4,1$

_____________

$2|1,2,1$

_____________

$1,1,1$

LCM$=3\times 3\times 2\times 2\times 2$

$=72$.