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Two factors of 40 are 20 and 2. There are no more factors of 2, but factors of 20 include 5 and 4. There are no more factors of 5 but 4 factors of 4 include 2 and 2.

So, the factors of 40 are 2, 5, 2, 2

This simplifies to make 2^3 * 5

Hope that helped :)

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13y ago

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