The GCF is 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 54.
GCF(105, 145, 189) = 1: the three are coprime.
225=3^2x5^2 189=3x7x9 Therefore GCF(225, 189) = 3
The greatest common factor of 189 and 195 is 3.
Factors of 54: 1, 2, 3, 6, 9, 18, 27, 54.Factors of 135: 1, 3, 5, 9, 15, 27, 45, 135.Factors of 189: 1, 3, 7, 9, 21, 27, 63, 189.GCF (54, 135, 189) = 27