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Since 3 is a factor of 15, the first three common multiples of 3 and 15 are 15, 30, and 45.

Q: What are the first three common multiples of 3 15?

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Related questions

15 & 20 have an infinite number of Common Multiples; the first three are 60, 120 and 180.

15, 30, 45

15, 30, and 45 are.

135, 270, 405

60, 120, 180

30 60 90

60, 120, 180

45, 90, 135

Multiply 35 by the first three counting numbers. That will give you the first three multiples. To be common, they need to be compared to another set of multiples. If you meant 3 and 5, the LCM is 15. Multiplying 15 by 2 and 3 will give you the others.

60, 120 and 180

105, 210, 315

To start with the 3 common multiples of 5 they are........10,15,and 25the 3 common multiples of 3 are.........15,30,and 45hope this helped=)