It is 75.
The first four multiples of five: 5, 10, 15, 20
75
The first 6 multiples of 5 are: 5, 10, 15, 20, 25, and 30.
15--15,30,45,60,75 25--25,50,75,100,125
Assuming positive multiples, 5, 10, 15, 20, 25, 30
The first 5 multiples of 5 are: 5, 10, 15, 20 and 25.5, 10, 15, 20, 25
5 15 25 35
5,10,15,20,25.5, 10, 15, 20, and 25
5, 10, 15, 20, 25.
300, 600, 900
Common multiples of 15 and 25 are all multiples of 75. That is because 75 is the least common multiple of 15 and 25. So they are 75, 150, 225, etc. Just keep multiplying 75 by 4,5,6...etc.
The first 10 multiples of 5 are: 5, 10, 15, 20, 25, 30, 35, 40, 45, and 50.