10
Since 130 is a factor of 390, it is automatically the GCF.
The greatest common factor (GCF) of 312 and 390 is 78.
The GCF is 30.
The GCF is 78.
Since 26 is a factor of 390, it is automatically the GCF.
The GCF is 26.
The GCF of 130 and 390 is 130 itself. Since 130 is a factor of 390, it is automatically the GCF of the set.
390
The GCF is 2.
The GCF is 1.
The GCF is 2.
The greatest common factor of 390 and 2431= =13