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LCM of 813, 418, 860, 120

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


Find the LCM of 813, 418, 860, 120 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, 418, 860, 120. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 813,418,860,120

Given numbers are 813,418,860,120

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

The LCM of 813,418,860,120 is 292257240.

Find LCM of 813,418,860,120 with Prime Factorization


2 813, 418, 860, 120
2 813, 209, 430, 60
3 813, 209, 215, 30
5 271, 209, 215, 10
271, 209, 43, 2

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

2 x 2 x 3 x 5 x 271 x 209 x 43 x 2 = 292257240

Therefore, the lowest common multiple of 813,418,860,120 is 292257240.

LCM Formula to Find Lowest Common Multiple of 813,418,860,120

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 418 x 860 x 120 = 35070868800

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

418 : 1, 2, 11, 19, 22, 38, 209, 418

860 : 1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860

120 : 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 813,418,860,120, is 1.

Now, the common factors can be found like this.

813:3x 271

418:2x 11x 19

860:2x 2x 5x 43

120:2x 2x 2x 3x 5

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 2x 3x 5 = 120

Therefore, the value for common factors is 120.

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 = 35070868800/(1x120)

LCM = 35070868800/120

LCM = 292257240

Thus, we can understand that the LCM of 813,418,860,120 is 292257240.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 813, 418, 860, 120

1. What is the LCM of 813, 418, 860, 120?

Answer: LCM of 813, 418, 860, 120 is 292257240.

2. How to calculate the LCM of 813, 418, 860, 120?

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, 418, 860, 120.

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}.