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1, 3 and 9 are common factors of 27, 45 and 81.

27, 45 and 81 are multiples of 1, 3 and 9.

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7y ago
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8y ago

Common multiples include 405, 810 and 1215

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7y ago

They are multiples of 3.

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13y ago

9

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Wiki User

7y ago

1, 3 and 9

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Q: 81 27 45 are the multiples of?
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