0
Wiki User
147 = 3 x 7 x 7, 189 = 3 x 3 x 3 x 7 so GCF = 3 x 7 = 21
You need at least two numbers to find a GCF.
The GCF is 7.
The GCF is: 49
The GCF is 3.
GCF(147, 189) = 21.
The GCF is 21.
The GCF is 27.
The GCF is 63.
The GCF is 9.
The GCF is 1.
The GCF is 147.