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The greatest common factor of 42, 49 and 84 is 7.

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9y ago
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10y ago

42 = 2 x 3 x 7

49 = 7 x 7

84 = 2 x 2 x 3 x 7

The highest common factor = 2 x 3 x 7 x 7 x 2 = 84 x 7 = 588

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Q: What is the highest common factor of 42 49 and 84?
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