Find the common factors and the highest common factor by listing method: 18,21
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Greatest Common Factor of 18 and 21
Greatest common factor (GCF) of 18 and 21 is 3
The common factors of 18 , 21 are 1,3 . The GCF (HCF) of the numerical factors 1,3 is 3 .
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Greatest Common Factor of 18 and 21
Greatest common factor (GCF) of 18 and 21 is
3
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The common factors of 18 , 21 are 1,3. The GCF (HCF) of the numerical factors 1,3 is 3.
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