hola porfavor ayudenme mcm y dcm de 108,180,392
108 = 2 x 2 x 3 x 3 x 3 → 108= 2² x 3³
180 = 2 x 2 x 3 x 3 x 5 → 180 = 2²x3²x5
392 = 2 x 2 x 2 x 7 x 7→ 392= 2³ x7²
entonces
MCM = 2³ x 3³ x 5 x 7² → MCM = 52920
MCD = 2² → MCD = 4
espero que te sirva, salu2!!!!