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They are: 140, 280 and 420
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What are the first 3 common multiples of 10 and 20?
20, 40 and 60
First 3 least common multiples of 7 20 35?
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What are the common multiples of 7 20 and 35?
the first three common multiples of 7, 20, and 35 are 140, 280, and 420
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What are the three frist multiples of 3 and 9?
The first three multiples of 3 are 3, 6, 9 The first three multiples of 9 are 9, 18, 27 As the lowest common multiples of 3 and 9 is 9, the common multiples of 3 and 9 are the multiples of 9, thus: The first three common multiples of 3 and 9 are 9, 18, 27
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