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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

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

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.

15, 30 and 45

15, 30, 45, 60, 75, 90

105, 210, 315

15, 30, 45

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

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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=)

What are the first three common multiples of four and five

for three 3 6 9 12 for five 5 10 15 20 these both numbers dont share a common denominator in the first 4 multiples

15 and 30 are common multiples of 3 and 5.

Multiples of 35 include 35, 70, 105 and so on. For them to be common, they need to be compared to another set of multiples. If you meant 3 and 5, their common multiples are 15, 30, 45 and so on.

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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.

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