Without that other number, it will be either 1, 3, 7 or 21.
It is: 21
The GCF is 7.
The GCF is 7.
The GCF is 3.
What is the Greatest common factor of 21 and 84
6.
The Greatest Common Factor (GCF) is: 6
the greatest common factor is 10
It is 2
6
10
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