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What is the gcf of 7 21 18?

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Anonymous

∙ 9y ago
Updated: 8/21/2019

The GCF is 1.

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Wiki User

∙ 9y 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.


What is the GCF of 18 21 and 42?

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


What s the greatest factor of -7 and 21?

The GCF is 7.


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The GCF is 7.


What is the greatest common factor in 56 and 21?

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


what is the gcf of 21 and 35?

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