Question

5) Calcule o MMC pela decomposiçao em fatores primos

a)MMC(15,18)

b)MMC(21,12)

c)MMC(90,120)


VOU QUERER A DECOMPOSIÇAO

Answer 1

a) m.m.c (15, 18): 15-18/2 15-9/3 5-3/3 5-1/5 1-1 2.3.3.5 = 90 b) m.m.c (21, 12): 21-12/2 21-6/2 21-3/3 7-1/7 1-1 2.2.3.7 = 84 c) m.m.c (90, 120): 90-120/2 45-60/2 45-30/2 45-15/3 15-5/3 5-5/5 1-1 2.2.2.3.3.5 = 360