Since 4 is a factor of 20, it is automatically the GCF.
The GCF is 4.
Since 4 is a factor of 20, it is automatically the GCF.
The GCF is 4.
The greatest common factor of -4 and -20 is -4.-4 x 1 = -4-4 x 5 = -20
The GCF is 4.
The GCF is 4.
The GCF is 4.
The GCF is 4.
The GCF is 4.
The GCF is 4.
The GCF is 4.
The GCF of 20 and 84 is 4.