What is the LCM of 14 and 20?
The lowest(smallest) number which would be perfectly divisible by 14 and 20 both is the LCM of 14 and 20.
Answer: The LCM of 14, 20 is 140
Lets see how to find the LCM of 14 and 20
Lowest Common Multiple (LCM ): is the smallest number in which the given numbers divide exactly.
Methods to Find the LCM of 14 and 20
Following are the two methods by which LCM of 14 and 20 can be found:
Method of Listing Multiples:
In this method, we list the first few multiples of 14 and 20 and identify the common multiples.
The lowest,that is the smallest, among the common multiples is the LCM of 14 and 20
Method of Common Division:
Here we keep dividing the numbers parallely with prime numbers until we are not left with a prime number to divide the given numbers.
Both the methods yield the same solution for the LCM of 14 and 20