Respuesta :

Factors for 36: 1, 2, 3, 4, 6, 9, 12, 18, 36

Factors for 45: 1, 3, 5, 9, 15, 45

Great Common Factor is 9
Factors for 45: 1, 3, 5, 9, 15, 45
Factors for 36: 1, 2, 3, 4, 6, 9, 12, 18, 36

GCF of 45 and 36 is:9