The GCF is 7.
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It is: 28 which is the greatest common factor of 56 and 84
The greatest common factor (gcf) of 56 and 84 is 28.56 = 2 x 2 x 2 x 784 = 2 x 2 x 3 x 7HCF = 2 x 2 x 7HCF = 28
The Greatest Common Factor (GCF) is: 7
Since 28 is a factor of 84, it is automatically the GCF.
The GCF of 28 and 84 is 28.