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Greatest common factor of 21 and 42?

Updated: 10/17/2024

Wiki User

∙ 6y ago

Best Answer

The GCF is 21.

Wiki User

∙ 6y ago

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Related questions

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.

What is the greatest common factor for 42 and 21?

21 itself is the greatest common integral factor, since 21 X 2 = 42.

What is the greatest common factor 21 and 42?

Since 21 is a factor of 42, it is automatically the GCF.

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7 is the greatest common factor of 4942 and 21, or of 49, 42 and 21, if that is what you meant.

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What is the greatest common factor or 21 42 and 84?

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What is the greatest common factor for63 42 21?

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