what numbers have both of the given numbers as factors 3 and 5
What are your choices?
To find the numbers that have both 3 and 5 as factors, we need to find the common multiples of both numbers.
First, let's list the multiples of 3: 3, 6, 9, 12, 15, 18, ...
Next, let's list the multiples of 5: 5, 10, 15, 20, 25, 30, ...
We can see that the multiples of 3 are 3, 6, 9, 12, 15, ... and the multiples of 5 are 5, 10, 15, 20, 25, ...
Therefore, the number that has both 3 and 5 as factors is 15.