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You need at least two numbers to find a GCF.

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10y ago
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6y ago

The highest common factor (HCF) refers to a factor that is COMMON to two or more numbers. You have only one number in the question! The highest factor of any number is itself.

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9y ago

The GCF is 42.

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6y ago

The GCF is 9.

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Q: What is the hcf for 279?
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