Their common factor is 1.
27 has only one prime factor: 3
1, 3, 9, 27 Pick one.
I thick it is 27 and 81
The number one.
1, 3, 9, 27
The greatest common factor of 27 and 35 is 1
27 has one prime factor which is 3 and 3*3*3 = 27
They only have one common factor: 1
It can be. 27 is a factor of 54.
The only common factor of 27 and 64 is one.
Since 27 is a factor of 54, and 27 cannot have a larger factor than itself, the greatest common factor of 27 and 54 is 27.
The number 27 has only one prime factor: 3.