There's no fun in playing it safe. Why not try something a little unhinged?
Chat with Rafa
Fran
I've made my fair share of mistakes, and if I can help you avoid a few, I'd sure like to try.
Chat with Fran
More answers
A single number cannot have a greatest common factor. A greatest
common factor (of which a set of numbers can only have one) is used
to compare two or more numbers.