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The GCF is 18ab.
GCF of 18abc and 54ab is 18ab.
18a^3bc
The GCF is: 2The GCF is 2.
The GCF is: 1
The GCF is 72.
If x>1 then the gcf is 15x. If x<1 then the gcf is 15.
The GCF is 6ab
30
Assuming A and B are equal to a and b, the GCF is 18ab. If not, it's just 18.
6a
6ab
The GCF is 6.
The GCF is 9.
The GCF is 4.
The GCF is 30.
50