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

The factors of 81 are: 1, 3, 9, 27, 81

The factors of 105 are: 1, 3, 5, 7, 15, 21, 35, 105

The common factors are: 1, 3

  • The Greatest Common Factor (GCF) is: 3
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โˆ™ 2015-10-24 11:04:47
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โˆ™ 2010-12-16 12:51:46

GCF(42, 81, 105) = 3

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Q: What is the greatest common factor of 42 81 and 105?
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