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Subjects>Math>Basic Math

What is the greatest common factor of 16 and 21?

Updated: 4/28/2022

Wiki User

∙ 8y ago

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The greatest factor of 21 and 16 is 21, which is a factor of 21 but not of 16.

Wiki User

∙ 8y ago

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Wiki User

∙ 8y ago

The greatest common factor of 16 and 21 is 1
The GCF is 1.

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What is the least common factor of 16 and 21?

The factors of 16 are 1, 2, 4, 8, and 16. The factors of 21 are 1, 3, 7, and 21. The only common factor is 1; they are relatively prime. The least (or lowest) common factor is 1. The greatest (or highest) common factor is 1.

What is the greatest common factor of 21 and 75?

The greatest common factor of 21 and 75 is 3.

What is the greatest common factor of 21 and 322?

The greatest common factor of 21 and 322 is 7.

What is the greatest common factor of 105 and 147?

The greatest common factor of 105 and 147 is 21

What are the common factors and greatest common factor of 21 and 42?

The common factors of 21 and 42 are 3, 7 and 21. The greatest common factor (GCF) is 21.

Related questions

What is the greatest common factor for 16 and 21?

The Greatest Common Factor (GCF) is: 1

What is the greatest common factor of 16 21?

The GCF is 1.

What is the greatest common factor of 16 21 and 39?

The GCF is 1.

What is the greatest common factor of 16 21 and 27?

The GCF is 1.

What is the greatest common factor of 12 16 and 21?

The GCF is 1.

What is the greatest common factor of 77 and 21?

The greatest common factor of 21 and 77 is 7.

What is the least common factor of 16 and 21?

The factors of 16 are 1, 2, 4, 8, and 16. The factors of 21 are 1, 3, 7, and 21. The only common factor is 1; they are relatively prime. The least (or lowest) common factor is 1. The greatest (or highest) common factor is 1.

What is the greatest common factor of 21 and 175?

The greatest common factor of 21 and 175 is 7.

What is the greatest common factor of 21 and 75?

The greatest common factor of 21 and 75 is 3.

What is the greatest common factor of 21 and9?

The Greatest Common Factor of 21, 9 is 3.

What is the greatest common factor of 21 and 322?

The greatest common factor of 21 and 322 is 7.

What is the greatest common factor of 21 and 162?

The greatest common factor of 21 and 162 is 3.

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