What is the Least Common Multiple of 2 and 5?
The LCM (least common multiple) of the numbers 2 and 5 is690
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
690
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 factor of 23
The prime factor of 23 is 23 . Prime factorization of 23 in exponential form is:
23 =231
Prime factors of 30
The prime factors of 30 are 5 and 2,3. Prime factorization of 30 in exponential form is:
30 =21x31x51
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 23:
23466992115138161184207230253276299322345368391414437460483506529552575598621644667690
Multiples of 30:
306090120150180210240270300330360390420450480510540570600630660690
Therefore,
LCM(23,30) = 690