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What is the gcf of 7 21 18?

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Anonymous

∙ 10y ago
Updated: 8/21/2019

The GCF is 1.

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Wiki User

∙ 10y ago
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Related Questions

What is the LCM and the GCF of 18 and 21?

To make this easier, let's first factor 18 and 21 into their prime factors: 18=2*3^2 21=3*7 Now it's very easy to find the LCM and GCF. The LCM is 2*3^2*7=126, and the GCF is 3.


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gcf(18, 21, 42) = 3. 18 = 2 x 3^2 21 = 3 x 7 24 = 2^3 x 3 hcf = 3


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The greatest common factor (GCF) of 63, 21, and 7 is 7.


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GCF(14, 28, 21) = 7


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The greatest common factor of the numbers 56 and 21 is 7.


What is the greatest common factor of 21 and 56?

The greatest, (Highest) Common Factor of 21 and 56 is 7


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