Key Points

1. The Lowest Common Multiple (LCM) of two or more given number is the lowest (or smallest or least) of their common multiples.

2. LCM by Prime Factorization Method

Step1: Find out the prime factors of the given numbers.

Step2: Identify the maximum number of occurrence of each prime number.

Step3: Multiply the outcomes.

3. LCM by Division Method

Step 1: Find the prime factors of the two or more numbers by dividing the numbers by least prime number till we get 1. (Choose the least prime that at least divide one of the given numbers)

Step 2: Then multiply all the prime factors to get the LCM.


Last modified: Sunday, 28 October 2018, 9:23 PM