The factors of 189 are 1 3 7 9 21 27 63 189 So the largest factor is 189. However, 189 is not a proper factor, even though it is a factor. The largest proper factor is 63. Now 63 is not prime, since is is clearly divisible by 3. The largest prime factor is 7
The Greatest Common Factor (GCF) is: 189
Since 27 is a factor of 189, it is automatically the GCF.
162 and 189's highest common factor is 27.
The GCF of 66 and 189 is 3.
The GCF of 90 and 189 is 9.
Seven.
7 is a prime factor of 189, because 7 X 27 = 189.
it is the factors of 189
The Greatest Common Factor (GCF) is: 189
The greatest common factor of 81 and 189 is 27.
The Greatest Common Factor of 189 and 449 is 1.
Since 27 is a factor of 189, it is automatically the GCF.
189 63,3 21,3,3 7,3,3,3
They are: 333*7 = 189
162 and 189's highest common factor is 27.
189 63,3 21,3,3 7,3,3,3
Greatest common factor of 315 and 189 is 63.