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The GCF is 3.

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Q: What is the greatet common factor of 21 and 9?
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What is the greatest common factor of 9 18 and 21?

The Greatest Common Factor of 9, 18, 21: 3


What is the greatest common factor of 60 21 9?

The Greatest Common Factor of 60, 21, 9: 3


What is the greatest common factor of 21 and9?

The Greatest Common Factor of 21, 9 is 3.


What is the highest common factor of 21 and 9?

The greatest common factor (GCF) of 21 and 9 is 3.


What is the common factor 9 and 21?

1 and 3 are both common factors of 9 and 21.


What is the greatest co on factor of 9 15 and 21?

what is the greatest common factor of 9,15,and 21


What is the least common factor of 9 and 21?

Answer: 1 The factors of 9 are 1, 3, and 9. The factors of 21 are 1, 3, 7, and 21. The common factors are 1 and 3; the least (smallest) common factor is 1.


What is the GCF for 9 and 21?

The greatest common factor (GCF) for 9 and 21 is 3.


What is the common factor of 21 and 9?

They both have 1 and 3 as common factors


What is the lowest common factor for 9 21 and 24?

3


Greatest common factor of 21 and 9?

The GCF of 21 and 9 is 3. 21 and 9 can only be divided by three.


What is the greatest common factor of 9 21 and 54?

They are 1 and 3 .Note: Those are also the least common factors of 9, 21, and 54 .