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The GCF of 26, 42, and 78 is 2.

The factors of 26 are: 1, 2, 13, 26

The factors of 42 are: 1, 2, 3, 6, 7, 14, 21, 42

The factors of 78 are: 1, 2, 3, 6, 13, 26, 39, 78

The common factors are: 1, 2

The Greatest Common Factor (GCF) is: 2

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9y ago

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