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LCM of 813, 782, 400, 943

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


Find the LCM of 813, 782, 400, 943 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 813, 782, 400, 943. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 813,782,400,943

Given numbers are 813,782,400,943

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

The LCM of 813,782,400,943 is 5213281200.

Find LCM of 813,782,400,943 with Prime Factorization


2 813, 782, 400, 943
23 813, 391, 200, 943
813, 17, 200, 41

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

2 x 23 x 813 x 17 x 200 x 41 = 5213281200

Therefore, the lowest common multiple of 813,782,400,943 is 5213281200.

LCM Formula to Find Lowest Common Multiple of 813,782,400,943

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.

813 x 782 x 400 x 943 = 239810935200

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.

813 : 1, 3, 271, 813

782 : 1, 2, 17, 23, 34, 46, 391, 782

400 : 1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400

943 : 1, 23, 41, 943

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 813,782,400,943, is 1.

Now, the common factors can be found like this.

813:3x 271

782:2x 17x 23

400:2x 2x 2x 2x 5x 5

943:23x 41

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

2x 23 = 46

Therefore, the value for common factors is 46.

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 = 239810935200/(1x46)

LCM = 239810935200/46

LCM = 5213281200

Thus, we can understand that the LCM of 813,782,400,943 is 5213281200.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 813, 782, 400, 943

1. What is the LCM of 813, 782, 400, 943?

Answer: LCM of 813, 782, 400, 943 is 5213281200.

2. How to calculate the LCM of 813, 782, 400, 943?

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 813, 782, 400, 943.

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}.