You can't have the greatest common factor of just one number - for it to be common there needs to be at least 2 numbers.
Chat with our AI personalities
No number exists. ============ Zero is not a factor of any number but zero.
The GCF of zero and any other number is the other number.
Since one is a factor of all non-zero integers, all numbers have common factors.
1 is the factor that is common to all numbers.
No, that's just a factor. A common factor is when that factor is also a factor of another number.