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The factors of 42 are:

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

The factors of 63 are:

1, 3, 7, 9, 21, 63

The factors of 105 are:

1, 3, 5, 7, 15, 21, 35, 105

The common factors are:

1, 3, 7, 21

The Greatest Common Factor:

GCF = 21

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โˆ™ 2017-11-11 03:55:50
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Algebra

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Q: How do you get the greatest common factor of 42 to 63 and 105?
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