Question: are all multiples of 4 multiples of 8?
Answer: Multiples of 4 are: 4, 8, 12, 16, 20, 24, 28, 32, 36, ... ... Multiples of 8 are: 8, 16, 24, 32, 40, .... So 24 is the least common multiple (I can't find a smaller one!)