You need at least two numbers to find a GCF. If that's 18 and 9, the GCF is 9.
The Greatest Common Factor of 189 and 449 is 1.
The greatest common factor of 81 and 189 is 27.
The Greatest Common Divisor of 21, 189 is 21.
The Greatest Common Divisor of 105, 189 is 21.
92
The greatest common factor of 189 and 195 is 3.
Greatest common factor of 189 and 225 is 9.
The greatest common positive integer factor of 117 and 189 is 9.
The GCF is 1.
The adjective "greatest" is a superlative. What hat means is that there can be only one. There cannot be two greatest common factors.The greatest common factor of 189 and 441 IS 63.
The GCF of 189 and 99 is 9.
The GCF of 105 and 189 is 21.