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The factors of 51 are: 1, 3, 17, 51

The factors of 75 are: 1, 3, 5, 15, 25, 75

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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14y ago

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