What is the LCM of 15 and 40?
Least Common Multiple of 15 and 40 is the smallest possible number which would be exactly divisible by the given numbers 15 and 40
Answer: LCM of 15 and 40 is 120
Lets see how to find the LCM of 15 and 40
Least Common Multiple (LCM ) is the smallest possible number which the given numbers would divide exactly.
Methods to Find the LCM of 15 and 40
There are different methods by which LCM can be found.
LCM of 15 and 40 by Listing Method
Write the multiples of 15 and 40 and spot the common multiples.
The smallest(least) among the common multiples is the LCM of 15 and 40
LCM of 15 and 40 by Common Division Method
Here we have to divide the numbers simultaneously with prime numbers and stop it when we are not left with a prime number to divide the given numbers.
By both the methods, we arrive at the LCM of 15 and 40 being the same.