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LCM of 810, 781, 931, 385

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


Find the LCM of 810, 781, 931, 385 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, 781, 931, 385. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 810,781,931,385

Given numbers are 810,781,931,385

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

The LCM of 810,781,931,385 is 588959910.

Find LCM of 810,781,931,385 with Prime Factorization


5 810, 781, 931, 385
7 162, 781, 931, 77
11 162, 781, 133, 11
162, 71, 133, 1

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

5 x 7 x 11 x 162 x 71 x 133 x 1 = 588959910

Therefore, the lowest common multiple of 810,781,931,385 is 588959910.

LCM Formula to Find Lowest Common Multiple of 810,781,931,385

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 781 x 931 x 385 = 226749565350

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

781 : 1, 11, 71, 781

931 : 1, 7, 19, 49, 133, 931

385 : 1, 5, 7, 11, 35, 55, 77, 385

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 810,781,931,385, is 1.

Now, the common factors can be found like this.

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

781:11x 71

931:7x 7x 19

385:5x 7x 11

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

5x 7x 11 = 385

Therefore, the value for common factors is 385.

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 = 226749565350/(1x385)

LCM = 226749565350/385

LCM = 588959910

Thus, we can understand that the LCM of 810,781,931,385 is 588959910.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 810, 781, 931, 385

1. What is the LCM of 810, 781, 931, 385?

Answer: LCM of 810, 781, 931, 385 is 588959910.

2. How to calculate the LCM of 810, 781, 931, 385?

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, 781, 931, 385.

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}.