Question

qual m.m c .(4,6,9,15)

Answer 1

4, 6, 9, 15  ! 2
2, 3, 9, 15  ! 2
1, 3, 9, 15 ! 3
1, 1, 3,   5  ! 3
1, 1, 1,   5 ! 5
1, 1,  1, 1 !
2.2.3.3.5 = 
2² . 3² . 5 =
4 . 9. 5 = 180
m.m.c = 180