Respuesta :

Answer:

4

Step-by-step explanation:

4

Answer:

Step-by-step explanation:

  • Factors for 27: 1, 3, 9, and 27
  • Factors for 54: 1, 2, 3, 6, 9, 18, 27, and 54

so common factors are 1, 3,9 and 27