is 2 a multiple of 0?
There is only one number whose multiple is 0. And that number is 0. If you take any number other than 0, it's multiple is non-zero. As examples: 2 is a multiple of 1, 4 is twice the two, 6 is three times 2, 16 is 4 times 4, 35 is 7 times 5 and so on.