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The GCF is 40.

The LCM is 6720.

The GCD is infinite.

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Wiki User

12y ago

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Wiki User

10y ago

The greatest common factor is 160

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Wiki User

8y ago

Since 280 is a factor of 840, it is automatically the GCF.

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Wiki User

8y ago

GCF(280, 840) = 280.

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Q: What is the greatest common factor of 280 and 840?
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