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The factors of 18 = 1, 2, 3, 6, 9, 18

The factors of 30 = 1, 2, 3, 5, 6, 10, 15, 30

Therefore, the common factors (CF) of 18 and 30 are 1, 2, 3, 6

The Greatest Common Factor (GCF) = 6

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10y ago

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