120
Explicação passo-a-passo:
15, 24, 60 l 2
15, 12, 30 l 2
15, 6, 15 l 2
15, 3, 15 l 3
5, 1, 5 l 5
1, 1, 1
MMC (15, 24, 60) = 2 · 2 · 2 · 3 · 5
MMC (15, 24, 60) = 120