What is the Least Common Multiple of 2 and 5?
The LCM (least common multiple) of the numbers 2 and 5 is450
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
450
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 18
The prime factors of 18 are 3 and 2. Prime factorization of 18 in exponential form is:
18 =21x32
Prime factor of 25
The prime factor of 25 is 5 . Prime factorization of 25 in exponential form is:
25 =52
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 18:
1836547290108126144162180198216234252270288306324342360378396414432450
Multiples of 25:
255075100125150175200225250275300325350375400425450
Therefore,
LCM(18,25) = 450