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The greatest common factor of 33 and 42 is 3.

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9y ago

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More answers

Factor them.
2 x 3 x 5 = 30
2 x 3 x 7 = 42
Select the common factors.
2 x 3 = 6, the GCF

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Wiki User

12y ago
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1,2,3,and 6

6 is the greatest common factor

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Wiki User

15y ago
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The GCF is 6.

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Wiki User

9y ago
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GCF(30, 42, 54) = 6

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Wiki User

11y ago
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2 and 3

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Wiki User

9y ago
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Q: What is the greatest common factor of 30 42 and 84?
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