No.
5, 10, 15, 20, 25, 30 and just keep adding five until you get to infinity.
Five multiples of 42 are 1, 2, 6, 7, 21, 42.
The first five multiples of four are: (Not including 4x0=0) 4,8,12,16,20
5,10,15,20,25
That's an infinite list.
No. The set of multiples of any number is an infinite set.
There are infinitely many of them and so it is not possible to list them all.
The last five multiples of 8 are 40, 32, 24, 16, and 8.
The first 3 multiples of 6 are: 6, 12, and 18.
56, 72, 80
3, 9, 15
4, 8, 12, 16, 20