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The GCF is 6.

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Wiki User

8y ago
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Wiki User

13y ago

GCF of 42 and 72 and 84 is 6.

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Wiki User

13y ago

gcf of 72 42 and 84 is 6.

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Anonymous

Lvl 1
3y ago

Eek 34

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Q: What is the GCF of 42 and 72 and 84?
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