LCM of 40 and 41

LCM of 40 and 41 is 1640

What is LCM?

LCM stands for the least common multiple. The LCM of two numbers, such as 40 and 41, is the smallest number that is divisible by both 40and 41 without producing a remainder.

How to calculate the Lcm of 40 and 41

You can calculate the LCM of 40 and 41 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 41


Step 3: List the Prime factors of 40 and 41 the greatest number of times they occur.

2 X 2 X 2 X 5 X 41

Step 4: Multiply the answer above to get the lcm  of 40 and 41  which is: 1640

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.

Answer: 1640

LCM calculator

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