The LCM is: 20
ten
350
60
The Least Common Multiple (LCM) for 2 3 10 is 30.
You need at least two numbers to find an LCM.
Yes.
The greatest common factor of ten and twenty is ten.
2/5
10, 30, 50, 70, 90, etc
Twenty Ten
5/12, 5 over 12.
There cannot be a lowest common factor of just one number. To be common there need to be at least two numbers.