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LCM of 861, 309, 579, 579

Created By : Jatin Gogia
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023


Find the LCM of 861, 309, 579, 579 with the LCM of Two or More Numbers Calculator. Here we are teaching you two different methods through which you can calculate the LCM of 861, 309, 579, 579. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 861,309,579,579

Given numbers are 861,309,579,579

The least common multiple of numbers can be find using the prime factorization method or LCM formula.

The LCM of 861,309,579,579 is 17115819.

Find LCM of 861,309,579,579 with Prime Factorization


3 861, 309, 579, 579
193 287, 103, 193, 193
287, 103, 1, 1

Multiply the prime numbers at the bottom and the left side.

3 x 193 x 287 x 103 x 1 x 1 = 17115819

Therefore, the lowest common multiple of 861,309,579,579 is 17115819.

LCM Formula to Find Lowest Common Multiple of 861,309,579,579

LCM formula is LCM(a1, a2, an) = (a1 x a2 x an)/{GCF(a1 x a2 x an) x common factors}

Firstly, we have to find the product of all the numbers.

861 x 309 x 579 x 579 = 89190532809

Then, let us find the GCF of these five numbers. To do so, we have to list down the factors for each number and choose the highest factor that is in all of the lists.

861 : 1, 3, 7, 21, 41, 123, 287, 861

309 : 1, 3, 103, 309

579 : 1, 3, 193, 579

579 : 1, 3, 193, 579

3 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 861,309,579,579, is 3.

Now, the common factors can be found like this.

861:3x 7x 41

309:3x 103

579:3x 193

579:3x 193

From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.

3x 3x 193 = 1737

Therefore, the value for common factors is 1737.

Now that we have all the elements of the formula, we can plug them in to calculate the LCM.

LCM(a1, a2, an) = (a1 x a2 x an)/{GCF(a1 x a2 x an) x common factors}

LCM = 89190532809/(3x1737)

LCM = 89190532809/5211

LCM = 17115819

Thus, we can understand that the LCM of 861,309,579,579 is 17115819.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 861, 309, 579, 579

1. What is the LCM of 861, 309, 579, 579?

Answer: LCM of 861, 309, 579, 579 is 17115819.

2. How to calculate the LCM of 861, 309, 579, 579?

The LCM can be found using two methods. You can either use the LCM formula or the prime factorization method to calculate the LCM of 861, 309, 579, 579.

3. What is the LCM formula?

The LCM formula is LCM(a1, a2, an) = (a1 x a2 x an)/{GCF(a1 x a2 x an) x common factors}.