What is the LCM of 20 and 30?
The least possible number which is exactly divisible by both 20 and 30 is the LCM of 20 and 30
Answer: LCM (20,30)=60
Lets see how to find the LCM of 20 and 30
The least common multiple is the smallest or least possible number which is exactly divisible by the given numbers.
Methods to Find LCM of 20 and 30
Let us use the following methods to find the LCM of 20 and 30
- Listing the Multiples
LCM of 20 and 30: Listing Method
In this method, we list the first few multiples of 20 and 30 and identify the common multiples.
The least among the common multiples is the LCM of 20 and 30
LCM of 20 and 30: Common Division Method
In this division method, we divide the numbers simultaneously with prime numbers and stop it when we don't have a prime number to divide the given numbers.