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# What are the first three common multiples of 15 and 20?

Updated: 8/30/2023 Wiki User

5y ago

Ans: 15, 30 and 45

Prime factorization of 3 and 15

3: 3

15: 3 x 5

15, 30 and 45. Hi My names Bob Wiki User

7y ago   Wiki User

5y ago

First three common multiples of 15 and 20 would be: 60,120,180   Wiki User

8y ago

The first five multiples of 15 are 15, 30, 45, 60, 75. For them to be common, they need to be compared to another set of multiples.   Wiki User

11y ago

15, 30 and 45   Wiki User

11y ago

15, 30, 45, 60, 75, 90   Wiki User

9y ago

105, 210, 315   Wiki User

7y ago

15, 30, 45   Earn +20 pts
Q: What are the first three common multiples of 15 and 20?
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Still have questions?  Related questions

### What are the first three common multiples of 3 15?

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

### What are three common multiples of 15 and 20?

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

15, 30, 45

### What are the first three common multiples of five and three?

15, 30, and 45 are.

135, 270, 405

60, 120, 180

30 60 90

60, 120, 180

45, 90, 135

### How do you find the first 3 common multiples of 35?

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