Q: What are the first three common multiples of 10 and 15?

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They are 10 and 20

Common multiples of 9 and 10 are all of the multiples of 90.

10, 20 and 30.

They are 30, 60 and 90.

Because 9 is a multiple of 3, the common multiples of 3 and 9 are the multiples of 9. The first 10 common multiples of 3 and 9 are 9, 18, 27, 36, 45, 54, 63, 72, 81, and 90.

Related questions

10, 20, 30 The common multiples of 5 and 10 are multiples of their lowest common multiple. The lcm of 5 and 10, is 10. Thus the first three common multiples are 10, 20, 30.

All the common multiples of a set of numbers are the multiples of their lowest common multiple: lcm(5, 8, 10) = 40 → first three common multiples are 40, 80, 120

60,120,180

10, 20, 30.

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.

10, 20, 30

The anser to that Q is 30.

10, 20, 30

20, 40, 60

30, 60, 90

10, 20, 30.

They are: 240, 480 and 720