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Last updated on November 29th, 2024

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LCM of 3 and 10

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Foundation
Intermediate
Advance Topics

The smallest number that should also be a positive number, and evenly divide both the numbers, is known as the least common factor. LCM is very important for solving problems, especially fractions, scheduling events etc.

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What is the LCM of 3 and 10

The LCM of 3 and 10 is the lowest number that divides both 3 and 10 without leaving any remainder. The LCM of 3 and 10 is 30.

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How to find the LCM of 3 and 10?

The LCM of 3 and 10 can be found by the following methods like division method, listing multiples, prime factorization.
 

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LCM of 3 and 10 using Division method:

In the division method, we divide both the numbers by the lowest possible number until we get 1 for both numbers.

 

3 divides 3 leaving 1


2 divides 10 leaving 5


5 divides 5 leaving 1

 

LCM = 2 × 3  × 5= 30.
 

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LCM of 3 and 10 using Listing multiples:

We write the multiples of both numbers till we find the common one.


Multiples of 3: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30…


Multiples of 10: 10, 20, 30…

 

The common multiple is 30. So, the LCM of 3 and 10 is 30.
 

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LCM of 3 and 10 using prime factorization:

We part each number into divisors and select the highest powers of all the prime factors.

 

3=  3


10= 2 × 5

 

LCM = 2 × 3 × 5= 30.
 

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Common Mistakes and How to Avoid Them in LCM of 3 and 10

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Examples of LCM of 3 and 10

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Problem 1

Find the LCM of 3 and 10.

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Explanation

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Problem 2

Solve the following expression using LCM of 3 and 10: 1/3 + 1/10

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Explanation

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Problem 3

Simplify the expression: x/3 + x/10 = 13

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Explanation

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FAQ’s on LCM of 3 and 10

1.What is the GCF of 48,36,96?

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2.Is 0 a perfect number?

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3.What is the GCF of 10 and 3?

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4.Is 720 a multiple of 360?

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5.What is the GCF of 12 and 18?

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Important glossaries for LCM of 3 and 10

  • Co-prime: two numbers that have only one number that is 1 as their common factor.  For example, 8 and 15 are co-prime numbers.

 

  • Even Number: A natural number is divisible by 2. For example, 2,4,68,10 etc.

 

  • Prime Factorization: The process of parting down a number into its prime factors is called Prime Factorization.  For example, prime factorization of 24 = 2 × 2 × 2 × 3.
     
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Hiralee Lalitkumar Makwana

About the Author

Hiralee Lalitkumar Makwana has almost two years of teaching experience. She is a number ninja as she loves numbers. Her interest in numbers can be seen in the way she cracks math puzzles and hidden patterns.

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Max, the Girl Character from BrightChamps

Fun Fact

: She loves to read number jokes and games.

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