Respuesta :

Answer:

18 ( 2 + 1 )

Step-by-step explanation:

Factors of 36.

  • 1 x 36
  • 2 x 18
  • 3 x 12
  • 4 x 9
  • 6 x 6

Factors of 18

  • 1 x 18
  • 2 x 9
  • 3 x 6

The Greatest common factor they have is 18.