Respuesta :

m^7 = m*m*m*m*m*m*m
n^4 = n*n*n*n
p^3 = p*p*p
m^1 = m
n^12 = n*n*n*n*n*n*n*n*n*n*n*n
p^5 = p*p*p*p*p

common factors are m *n*n*n*n * p*p*p

so GCF = mn^4p^3