GCF(147, 189) = 21.
The GCF is 21.
Prime factors of 189 are 33 and 7Prime factors of 231 are 3, 7, and 11HCF of 189 and 231 is 7
You need at least two numbers to find a GCF.
The GCF is 27.
The GCF is 1.
The GCF is 27.
The GCF is 63.
The GCF is 9.
The GCF of 27 and 189 is 27.
The GCF is 3.
The GCF is 7.