20, 40, and 60.
Only one can be least; that's 15. Other common multiples include 30 and 45.
15, 30, 45, 60 and so on.
10, and all its multiples.
10, 20, 30 and so on.
495
60
The GCF is 1.
150
115, 230, 345 and so on.
The LCM is: 210
The Least Common Multiple (LCM) for 6 5 is 30.
The least common factor of any set of positive integers is 1.