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Greatest common factor of 21 and 42?

Updated: 10/17/2024

Wiki User

∙ 7y ago

Best Answer

The GCF is 21.

Wiki User

∙ 7y 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.

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