40, 80, 120
2 8 12
20 is the smallest common multiple of 4, 5, and 10, and thus the first. Thus, the first three common multiples of 4, 5, and 10 are 20, 40 and 60.
20, 40, 60
The first three multiples of 4 are 4, 8 and 12. For them to be common, they need to be compared to another set of multiples.
They are: 40 80 and 120
20, 40, 60
40, 80, 120
60, 120, 180
20, 40, 60
40, 80 ,120.
The first 4 multiples of 10 are: 10, 20, 30, and 40.
write the first three common. multiples of 3,4,5