The least common factor of 30 and 42 is the smallest number that is a factor of both of them and is 1.
However, I suspect that you mean either:
hcf = 6;
lcm = 210.
Chat with our AI personalities
The least common factor of any set of integers is 1.
The least common factor of any set of positive integers is 1.
The least common factor of any set of positive integers is 1.
The least common multiple is 210.
Least Common Multiple (LCM) for 6 30 42 is 210.