Respuesta :
Factors of 20: 1, 2, 4, 5, 10, 20
Factors of 32: 1, 2, 4, 8, 16, 32
Common factors: 1, 2, 4
Answer: GCF is 4
Factors of 32: 1, 2, 4, 8, 16, 32
Common factors: 1, 2, 4
Answer: GCF is 4