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Anonymous
You need at least two numbers to find a GCF. If that's 2 and 8, the GCF is 2.
Wiki User
The answer is 4.
what is the greastest common factor of 32
The GCF is 4.
Since 28 is a factor of 84, it is automatically the GCF.
7
7 
5
8
34
14
It is: 16