The GCF is 29.
The GCF is 3.
The GCF is 1.
The GCF is 1.
The GCF is 3.
The GCF is 1.
The GCF is of 27 and 87 is 3.The GCF is 3.
The GCF is 3.3The GCF is 3.
The GCF is 3.
The GCF is 3.
Since 3 is a factor of 87, it is automatically the GCF.
The GCF of 12 and 87 = 3