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Subjects>Arts & Entertainment>Movies & Television

What is the greatest common factor of 21 and 9?

Updated: 11/5/2022

Wiki User

∙ 11y ago

Best Answer

3
To find the GCF of two or more numbers you can find the factor pairs of each number and then find the factors they have in common.

9:

1 x 9

3 x 3

21:

1 x 21

3 x 7

The GCF of 9 and 21 is 3.

Wiki User

∙ 11y ago

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More answers

Wiki User

∙ 9y ago

The GCF of 9 and 21 is 3

Wiki User

∙ 15y ago

3

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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 greatest common factor for 9 15 and 21?

The GCF is 3.

What is the greatest common factor of 20 and 54?

The greatest common factor of 21 and 54 is 3. The greatest common factor is the highest number that divides exactly into two or more numbers. factors of 21: 1, 3, 7, 21 factors of 54: 1, 2, 3, 6, 9, 18, 27, 54 The greatest common factor of 21 and 54 is 3.

What is the greatest common factor of 6 9 15 and 21?

The GCF is 3.

Related questions

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 9 18 and 21?

The Greatest Common Factor of 9, 18, 21: 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 GCF for 9 and 21?

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

What is the greatest common factor for 9 15 and 21?

The GCF is 3.

What is the greatest common factor of 9 21 and 27?

The GCF is 3.

What is the greatest common factor of 20 and 54?

The greatest common factor of 21 and 54 is 3. The greatest common factor is the highest number that divides exactly into two or more numbers. factors of 21: 1, 3, 7, 21 factors of 54: 1, 2, 3, 6, 9, 18, 27, 54 The greatest common factor of 21 and 54 is 3.

What is the greatest common factor of 9and18 and 21?

The greatest common factor is 3: Factors of 9: 1, 3, 9 Factors of 18: 1, 2, 3, 6, 9, 18 Factors of 21: 1, 3, 7, 21 The two common factors are 1 and 3 and the greatest of these two is 3.

What is the greatest common factor of 6 9 15 an 21?

The GCF is 3.

What is the GCF for 9 21 60?

The Greatest Common Factor (GCF) is: 3

What is the greatest common factor between 9 12 and 21?

The GCF is 3.

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