Question

M.C.D DE 14-28-30-120

Answer 1

14..28..30..120.| 2 
07..14..15..60...| 2 
07..07..15..30...| 2 
07..07..15..15...| 3 
07..07..5....5....| 5 
...........1....1....| 7 
1....1................ 


m.c.m (14,28,30,120) = 2*2*2*3*5*7 = 840