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The common multiples of 8 and 10 are 40, 80, 120, 160, 200, and so on.

Multiples of 10 are 10, 20, 30, 40, 50, 60, 70, 80, 90, 100.

Multiples of 8 are 8, 16, 24, 32, 40, 48, 56, 64, 72, 80.

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7y ago
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12y ago

To find common multiples you first need to split the numbers into their prime factors:

4=2x2

8=2x2x2

10=2x5

The next step is to cross off any duplicates. All numbers have one 2, so we can discard 2 of them. Two numbers have an additional 2, so we can discard one of them. This leaves us with 2,2,2 and 5.

Multiply these together for the lowest common multiple:

2x2x2x5=40

To find other common multiples you simply times 40 by 2,3,4 and so on.

So the first three common multiples of 4,8, and 10 are 40, 80 and 120.

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12y ago

the first 3 common multiples of 8 and 10 is 40, 80, and 120.

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10y ago

The first 3 multiples of 8 are: 8, 16, and 24.
The first 3 multiples of 10 are: 10, 20, and 30.

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10y ago

40, 80, 120 and so on.

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14y ago

10, 20, 30

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9y ago

40, 80, 120

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6y ago

24, 48, 72

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Q: What are the first three multiples of 8 and 10?
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