Respuesta:
MCD (210,280,360) es 10
Explicación paso a paso:
factores de 210: 1,2,3,5,6,7,10,14,15,21,30,35,42,70,105,210
factores de 280: 1,2,4,5,7,8,10,14,20,28,35,40,56,70,140,280
factores de 360: 1,2,3,4,5,6,8,9,10,12,15,18,20,24,30,36,40,45,60,72,90,120,180,360
