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What is the greatest common factor of 20 and 18?

Updated: 10/17/2024

Wiki User

∙ 9y ago

Best Answer

The GCF of 18 and 20 is 2.

The prime factors of 18 are 3, 3, 2

The prime factors of 20 are 5, 2, 2,

The Greatest Common Factor is the highest factor that goes into both numbers, so the GCF is 2.

Wiki User

∙ 8y ago

This answer is:

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Wiki User

∙ 9y ago

The GCF is 2.

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Wiki User

∙ 15y ago

2.

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Related questions

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The Greatest Common Factor of 18, 13, and 20 is 1.

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Since 17 is a prime number, the greatest common factor of 17, 18, and 20 is 1.

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