Respuesta :

Answer:

GCF = 3

Step-by-step explanation:

The factors of 3 are: 1, 3

The factors of 12 are: 1, 2, 3, 4, 6, 12

The factors of 54 are: 1, 2, 3, 6, 9, 18, 27, 54

Then the greatest common factor is 3.

Answer:

6

Step-by-step explanation:

6 goes into  12 twice and 6 goes into 54 8 times