What is the LCM of #31z^3#, #93z^2#?
LCM means the least number which is divisible by both
First pick up the common factors 31zz and multiply the remaining numbers z*3 with this.
This makes up
The LCM (Least Common Multiple) is the smallest value which each of two (or more) values divide evenly into.
The required factors of the LCM of