What is the least common factor of 2310?

Answer 1

"Common" means "same for both". There's no such thing as anything common

about one single number. In order to have anything 'common', you need at

least two.

But we can tell you this: The least common factor of 2310 and any other

number is ' 1 '.

Answer 2

The least common factor of any set of integers is 1.