What is the Least Common Multiple of 2 and 5?
The LCM (least common multiple) of the numbers 2 and 5 is540
How to find the Least Common Multiple of 2 and 5?
On this page below, we'll use thePrime Factorisation, and theList of Multiplesmethod to find out the LCM of 12 and 11.
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LCM
Least Common Multiple
The LCM of 2 and 5 is
540
Follow the steps below, and let's calculate the LCM of 2 and 5.
Method 1 - Prime factorization
Step 1: Create a list of all the prime factors of the numbers 2 and 5:Prime factors of 20
The prime factors of 20 are 5 and 2. Prime factorization of 20 in exponential form is:
20 =22x51
Prime factor of 27
The prime factor of 27 is 3 . Prime factorization of 27 in exponential form is:
27 =33
Step 2: Identify the highest power of each prime number from the above boxes:
Method 2 - List of Multiples
Find and list multiples of each number until the first common multiple is found. This is the lowest common multiple.Multiples of 20:
20406080100120140160180200220240260280300320340360380400420440460480500520540
Multiples of 27:
275481108135162189216243270297324351378405432459486513540
Therefore,
LCM(20,27) = 540