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The lowest common multiple is 18. The first four common multiples are thus the first four multiples of 18 and are:

18, 36, 54 and 72.

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18, 36, 54.

Q: What are the first four common multiples of 6and 9?

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The first five multiples of 4 are 4, 8, 12, 16 and 20. For them to be common, they need to be compared to another set of multiples.

What are the first three common multiples of four and five

4, 8, 12, 16

16, 32, 48. Since 16 is divisible by 4. Every multiple of 16 is also a multiple of 4, so I just took the first 3 multiples of 16.

What are the first 15 multiples of four

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answer is 88,176,264

The first five multiples of 4 are 4, 8, 12, 16 and 20. For them to be common, they need to be compared to another set of multiples.

Multiples of 8 include 8, 16, 24 and 32. For them to be common, they need to be compared to another set of multiples.

6, 12, 18, 24

20, 40 and 60

20, 40, 60.

They are: 36, 72, 108.

What are the first three common multiples of four and five

15, 30, 45 and 60

20, 40, 60

12, 24, 36 and 48

24, 48, 72, 96