Respuesta :

Answer:

12

Step-by-step explanation:

Answer:

6

Step-by-step explanation:

18 = 2 * 3 * 3

42 = 2 * 3 * 7

96 = 2 * 2 * 2 * 2 * 2 * 3

Greatest common factor = 2 * 3 = 6