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The factors of 72 are:

1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72

The factors of 81 are:

1, 3, 9, 27, 81

The common factors are:

1, 3, 9

The Greatest Common Factor:

GCF = 9

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8y ago
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Wiki User

11y ago

Your question is very likely part of a page with more information

on it than what you're sharing.

All we can tell from that question is that the gcf of 72 and 81 is 9 .

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Q: What is only 72 and 81 worked out in gcf?
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