They are any five multiples of 28.
Numbers which are the factors of thirty and multiples of five are 5, 10, 15 and 30.
7, 42, 63, 98, 105
All non-zero numbers have an infinite amount of multiples. There are no numbers with exactly five.
Multiples of 5.
All but the number five are multiples of 5.
They are the multiples of five.
Multiply 16 by the first five counting numbers.
They are members of the set of numbers of the form 28*k where k = 1, 2, 3, 4 or 5.
Since you didn't specify a single number, and all numbers are multiples of themselves, the five smallest multiples are the counting numbers 1 to 5.
15 and its multiples
There are 3 such numbers: 30, 60, 90.