Question: is 20 a multiple of three?
Answer: Multiples of 3 are 3, 6, 9, 12, 15, 18, 21, 24, 27, 30 and so on. Since 20 is not on the list of multiples of 3, the answer to the question "Is 20 a multiple of 3?" is: No. ... If the result is a positive integer, then 20 is a multiple of 3. 20 divided by 3 equals 6.667, which is not a positive integer.