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Marcia listed all of the factors of 20 and all of the factors of 30. How many numbers appeared on both lists?

Marcia listed all of the factors of 20 and all of the factors of 30. How many numbers appeared on both lists?
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Marcia listed all of the factors of 20 and all of the factors of 30. How many numbers appeared on both lists?

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User Joshua Granick
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8.6k points

1 Answer

2 votes
20 numbers if not repeating
28 numbers if repeating
20 makes more sense
Workup in photo below.
Good luck
Marcia listed all of the factors of 20 and all of the factors of 30. How many numbers-example-1
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User Kwisatz
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8.8k points
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