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The factors of 126 are: 1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126.

The factors of 540 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540.

The common factors are: 1, 2, 3, 6, 9, 18.

The Greatest Common Factor (GCF) is: 18

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14y ago

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