What is the Least Common Multiple of 2 and 5?
The LCM (least common multiple) of the numbers 2 and 5 is210
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
210
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 14
The prime factors of 14 are 7 and 2. Prime factorization of 14 in exponential form is:
14 =21x71
Prime factors of 15
The prime factors of 15 are 5 and 3. Prime factorization of 15 in exponential form is:
15 =31x51
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 14:
14284256708498112126140154168182196210
Multiples of 15:
153045607590105120135150165180195210
Therefore,
LCM(14,15) = 210