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The factors of 42 are:

1, 2, 3, 6, 7, 14, 21, 42

The factors of 126 are:

1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126

The common factors are:

1, 2, 3, 6, 7, 14, 21, 42

The Greatest Common Factor (GCF) is:

42

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9y ago
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Wiki User

13y ago

gcf for 42 and 126 is 42.

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Q: What is the GCF of 42 and 126?
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