From my previous lesson, I went over the steps on how to find the LCM of two positive integers using the List Method. This time I will focus on the method where Prime Factorization is used to find the LCM.

Whether you're just starting out, or need a quick refresher, this is the video for you if you're looking for help with finding the LCM. Mr. J will go through examples of finding the least...

To find the L.C.M. of two or more numbers using the prime factorization method, we follow the following steps: Step 1: Write the prime factorization of the given numbers using the division method. Step 2: …

Master LCM by Prime Factorization with solved examples, tips, and exam-ready practice. Learn fast with Vedantu.

It can be helpful to write the prime factors next to each number, matching them vertically in columns, then bringing down the primes in each column to collect the factors whose product is the LCM.

One of the reasons we look at multiples and primes is to use these techniques to find the least common multiple of two numbers. This will be useful when we add and subtract fractions with different …

Jul 28, 2025 · In this article, we will explore how to use the prime factorization method to determine the LCM, with detailed examples and explanations. What is the Least Common Multiple (LCM)? Before …

To find the LCM of two or more numbers, we first find all the prime factors of the given numbers and write them one below the other. Take one factor from each common group of factors and find their …

May 2, 2022 · We start by finding the prime factorization of each number. = 2 2 3 = 2 3 3. Then we write each number as a product of primes, matching primes vertically when possible. 12 = 18 = 2. Now we …

Mastering HCF and LCM (Highest Common Factor and Lowest Common Multiple) is essential for GCSE maths success. This page shows exactly how to find HCF and LCM using prime factorisation, with …