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The highest common factor of 9 and 30 is 3.

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12y ago
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8y ago

The only factors of 9 are 1, 3, and 9. For 9 and any multiple of 9, the GCF is 9. For multiples of 3 that are not multiples of 9, the GCF is 3. For any other numbers, the GCF is 1.

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9y ago

A single number cannot have a highest common factor. A highest common factor is shared by two or more numbers.

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10y ago

The GCF is 3.

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Q: What is the highest common factor of 9 and 33?
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