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Subjects>Math>Basic Math

What is the greatest common factor of 6 and 21?

Updated: 12/4/2024

Wiki User

∙ 8y ago

Best Answer

The greatest common factor (GCF) of two numbers is the largest number that divides both of them without leaving a remainder. To find the GCF of 6 and 21, you can list the factors of each number and identify the largest factor they have in common. The factors of 6 are 1, 2, 3, and 6, while the factors of 21 are 1, 3, 7, and 21. The greatest common factor of 6 and 21 is 3.

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More answers

Wiki User

∙ 8y ago

The greatest common factor of 6 and 21 is 3.

Wiki User

∙ 8y ago

The word "GREATEST" is a superlative adjective and that means there can be only one.GCF(6, 21) = 3.

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Continue Learning about Basic Math

What is the greatest common factor of 6 15 21?

The GCF is 3.

Greatest common factor of 6 and 8?

The greatest common factor of 6 and 8 is 2.

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

The greatest common factor of 6, 15 and 21 is 3. The prime factorization of 6 is 2*3 The prime factorization of 15 is 3*5 The prime factorization of 21 is 3*7 The GCF is then 3, as it is the only common factor.

What is the greatest common factor of 6 14?

The Greatest Common Factor (GCF) is: 2

What is the greatest common factor of 54 72 and 96?

The Greatest Common Factor is 6

Related questions

How do you get the greatest common factor out of 6 and 21?

The greatest common factor (GCF) is 3.

Where is the greatest common factor for 21 and 6?

It is: 3

What is greatest common factor of 6 and 21?

3

What's the greatest common factor of 6 and 21?

the greatest common factor of 6 an 21 is 3 because 6's factors are 1,2, 3and 6 and 21's is 1,3,7, and 21. So the greatest one of those is 3.Yo its 3 :D

What is the greatest common factor of 96 6 and 21?

It is: 3

What is the greates common factor of 18 and 42?

The greatest common factor of 18 21 and 42 is 3.

What is the Greatest Common Factor between 6 and 21?

The GCF is 3.

What is the greatest common factor of 6 15 21?

The GCF is 3.

What is the GCF of 6 12 21?

The greatest common factor in 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 4 14 6 and 21?

As 4 & 21 have no factors in common, gcf=1

What is the greatest common factor of 6 21 and 30?

The GCF is 3.

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