LCM of 40 and 50 is 200
What is LCM?
LCM stands for the least common multiple. The LCM of two numbers, such as 40 and 50, is the smallest number that is divisible by both 40and 50 without producing a remainder.
How to calculate the Lcm of 40 and 50
You can calculate the LCM of 40 and 50 by using any of the two methods listed below.
Method 1: By Prime Factorization
Step 1: Find the prime factors of 40
2 X 2 X 2 X 5
Step 2: Find the prime factors of 50
2 X 5 X 5
Step 3: List the Prime factors of 40 and 50 the greatest number of times they occur.
2 X 2 X 2 X 5 X 5
Step 4: Multiply the answer above to get the lcm of 40 and 50 which is: 200
Method 2: LCM by Long division
We can also find the LCM of numbers using the long division method. Look at the image below to find out how to find LCM using Long division.
Enter two numbers to check their LCM