2
Their GCF is 4. 92 = 22 x 23 72 = 23 x 32 20 = 22 x 5 gcf = 22 = 4
The GCF is 72.
4 is the GCF of 52 and 72 because 52 = 4 times 13 and 4 divides 72 but 13 does not.
The GCF is 8.
The GCF is 72.
The GCF is 8.
The GCF is 8.
The GCF is 9.
The GCF is 8.
The GCF is 1.
The GCF is 24.
The GCF is 2.