Respuesta :
common factors: 1, 2, 4
factors of 28: 1, 2, 4, 7, 14, 28
factors of 44: 1, 2, 4, 11, 22, 44
factors of 28: 1, 2, 4, 7, 14, 28
factors of 44: 1, 2, 4, 11, 22, 44