The least common factor is always one (1), regardless of what the greatest common factor is.
The greatest common factor of 27 and 35 is 1
254 cannot have a greatest common factor. To have a greatest common factor, there must be more than one number involved
The greatest common factor of 25 and 34 is one.
One is the greatest common factor of 43 and 40.
The greatest common factor is one.
The Greatest Common Factor (GCF) is: 1
Answer: None, it is impossible. No single number has a greatest common factor. A "common factor" is a factor that two or more numbers have in common. The "greatest common factor" is the largest factor that two or more numbers have in common.
3 is the greatest common factor of 9 and 12.
The only common factor of 27 and 64 is one.
There are no common or greatest common factor(s) of just one number. In order to find the common or greatest common factor(s) you need two or more numbers.
If you mean 10, 82, and 16, the greatest common factor is 2. Otherwise, one number by itself cannot have a greatest common factor.