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Subjects>Math>Basic Math

What is the greatest common factor of 21 and 63?

Updated: 4/28/2022

Wiki User

∙ 7y ago

Best Answer

The greatest common factor of 21 and 63 is 21.Since 21 is a factor of 63, it is automatically the GCF.

Wiki User

∙ 7y ago

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More answers

Wiki User

∙ 7y ago

The GCF is 21.

Wiki User

∙ 7y ago

GCF(21, 63) = 21.

Wiki User

∙ 7y ago

GCF(63, 21) = 21.

Wiki User

∙ 13y ago

It's 21.

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Continue Learning about Basic Math

What is the greatest common factor of 42 63 and 105?

3The GCF is: 2121.The GCF is 21.

What is the greatest common factor of 63 and 231?

The GCF is 21.

What is the greatest common factor of 63 147?

The GCF is 21.

What is the greatest common factor of 21 35 and 63?

The GCF of 21, 35, and 63 is 7.

What is the greatest common factor for 63 42 and 21?

The Greats Common Factor (GCF) is 21 63: 1,3,7,9,21,63 42: 1,2,3,67,14,21,42 21: 1,3,7,21 They all number 21 listed in there the Factors

Related questions

What is the greatest common factor of 21 63 and 84?

The Greatest Common Factor of 21, 63, 84: 21

Greatest common factor of 63 84 and 105?

The greatest common factor of 63, 84, and 105 is 21.

What is the greatest common factor of 21 49 63?

The GCF is 7.

Why is 21 the greatest common factor in 21 and 63?

Because 21 is a factor of 63. 21 is the greatest factor of 21. A larger number doesn't exist.

What is the greatest common factors of 63 and 147?

The greatest common factor of 63 and 147 is 21.

What is the greatest common factor of 63and 84?

The greatest common factor of 63 , 84 = 21

What is the greatest common factor 21 and 63?

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What is the greatest common factor of 42 63 and 105?

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