GCF(189, 54) = 27
The GCF is 27.
The GCF is 27.
The GCF of 54 and 189 is 27.
You need at least two numbers to find a GCF.
The GCF is 63.
The GCF is 9.
The GCF is 27.
The GCF is 1.
The GCF of 27 and 189 is 27.
The GCF is 54.
GCF(105, 145, 189) = 1: the three are coprime.
225=3^2x5^2 189=3x7x9 Therefore GCF(225, 189) = 3