Factors and Multiples

Franz wants to list the first 4 multiples of 7. If he starts with 7, what are the next 3 multiples?

Is 4 a factor of 36? Prove your answer.

What are the first 3 multiples of 4?

Besides 1 and 27, what are the other factors of 27

Besides 1, what is another common factor of 6 and 15?

Is 8 a factor of 32? Prove your answer.