The greatest common factor of 87 and 51 is 3.
The GCF is 3.
The GCF is 3.
Common factors of 42 and 87 are: 1 and 3.
The GCF is 1.
The GCF is 1.
The GCF is 1.
The GCF is 29.
The GCF is 3.
The GCF is 1.
The GCF is 3.
The GCF is of 27 and 87 is 3.The GCF is 3.
The GCF is 3.3The GCF is 3.