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LCM of 810, 690, 378, 509, 261

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


Find the LCM of 810, 690, 378, 509, 261 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 810, 690, 378, 509, 261. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 810,690,378,509,261

Given numbers are 810,690,378,509,261

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

The LCM of 810,690,378,509,261 is 1924982010.

Find LCM of 810,690,378,509,261 with Prime Factorization


2 810, 690, 378, 509, 261
3 405, 345, 189, 509, 261
3 135, 115, 63, 509, 87
3 45, 115, 21, 509, 29
5 15, 115, 7, 509, 29
3, 23, 7, 509, 29

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

2 x 3 x 3 x 3 x 5 x 3 x 23 x 7 x 509 x 29 = 1924982010

Therefore, the lowest common multiple of 810,690,378,509,261 is 1924982010.

LCM Formula to Find Lowest Common Multiple of 810,690,378,509,261

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.

810 x 690 x 378 x 509 x 261 = 28066237705800

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.

810 : 1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810

690 : 1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690

378 : 1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378

509 : 1, 509

261 : 1, 3, 9, 29, 87, 261

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 810,690,378,509,261, is 1.

Now, the common factors can be found like this.

810:2x 3x 3x 3x 3x 5

690:2x 3x 5x 23

378:2x 3x 3x 3x 7

509:509

261:3x 3x 29

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

2x 2x 3x 3x 3x 3x 3x 3x 5 = 14580

Therefore, the value for common factors is 14580.

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 = 28066237705800/(1x14580)

LCM = 28066237705800/14580

LCM = 1924982010

Thus, we can understand that the LCM of 810,690,378,509,261 is 1924982010.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 810, 690, 378, 509, 261

1. What is the LCM of 810, 690, 378, 509, 261?

Answer: LCM of 810, 690, 378, 509, 261 is 1924982010.

2. How to calculate the LCM of 810, 690, 378, 509, 261?

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 810, 690, 378, 509, 261.

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}.