The GCF of the given three numbers is 1
The GCF is 13.
GCF(52, 156, 169) = 13.
The GCF is 4.
The GCF is 13.
The GCF is 13.
The GCF is 13.
The GCF is 13.
The GCF is 13.
The GCF is 1.
The GCF is 13.
The GCF is 13.
The highest common factor (HCF) of 78, 156, and 169 is 13.