Respuesta :
Number 5, right ?
36: 1,2,3,4,9,12,18,36
54:1,2,3,6,9,18,27,54
GCF of 36 and 54 : 18
36: 1,2,3,4,9,12,18,36
54:1,2,3,6,9,18,27,54
GCF of 36 and 54 : 18