1.
a) M(3)={ 0, 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45,...}
b) M(5)={ 0, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75,...}
c) Multiplos comunes de 3 y 5 ={ 0, 15. 30, 45...}
d) El menor de los multiplos comunes de 3 y 5 distintos de cero es 15.
e) m.c.m.(3,5)= 15.
2.
a) M(6)={0, 6, 12, 18, 24, ...}
b) M(8)={0, 8, 16, 24, ...}
c) Multiplos comunes de 6 y 8 ={0, 24,...}
d) m.c.m.(6,8)= 24.
saludo.