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The factors of 9 are:

1, 3, 9

The factors of 210 are:

1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210

The common factors are:

1, 3

The Greatest Common Factor:

GCF = 3

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8y ago

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