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Q: What is the HCF of 21 and 9?

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It is: 3

The GCF is 21.

The GCF is 24.

The GCF is 3.

The GCF is 7.

The HCF is 7.

It is 21

3.

The GCF is 21.

The GCF is 7.

The GCF is 7.

The HCF of 525 and 231 is 21