The 'c' in 'gcf' stands for "common". "Common" means "same for both".
There's nothing common about one single item, and a single number has
no 'common' factors. It takes at least two.
The LCM of these numbers is 200. LCM is Least Common Multiple.
The LCM is: 800
The LCM is 200
200
It is: 200
The LCM is 200.
The LCM is 200.
The LCM is 200.
The LCM of these numbers is 200. LCM is Least Common Multiple.
The LCM is 200.
The LCM is: 200
The LCM is: 200
The LCM is 200.
The LCM is 200.
The LCM of these numbers is 200. LCM is Least Common Multiple.
The LCM is: 200
The LCM is 4200.