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List the factors.

The factors of 21 are:

1, 3, 7, 21

The factors of 24 are:

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

The factors of 27 are:

1, 3, 9, 27

The common factors are:

1, 3

The Greatest Common Factor:

GCF = 3

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7y ago

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