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The factors of 24 are:

1, 2, 3, 4, 6, 8, 12, 24

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

The Greatest Common Factor (GCF) is:

3

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11y ago
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Wiki User

12y ago

3. (3 x 8, 3 x 24, 3 x 27)

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Q: What is the gcf of 81 72 and 24?
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