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LCM of 221, 388, 143, 800

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


Find the LCM of 221, 388, 143, 800 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 221, 388, 143, 800. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 221,388,143,800

Given numbers are 221,388,143,800

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

The LCM of 221,388,143,800 is 188645600.

Find LCM of 221,388,143,800 with Prime Factorization


2 221, 388, 143, 800
2 221, 194, 143, 400
13 221, 97, 143, 200
17, 97, 11, 200

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

2 x 2 x 13 x 17 x 97 x 11 x 200 = 188645600

Therefore, the lowest common multiple of 221,388,143,800 is 188645600.

LCM Formula to Find Lowest Common Multiple of 221,388,143,800

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.

221 x 388 x 143 x 800 = 9809571200

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.

221 : 1, 13, 17, 221

388 : 1, 2, 4, 97, 194, 388

143 : 1, 11, 13, 143

800 : 1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 221,388,143,800, is 1.

Now, the common factors can be found like this.

221:13x 17

388:2x 2x 97

143:11x 13

800:2x 2x 2x 2x 2x 5x 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 13 = 52

Therefore, the value for common factors is 52.

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 = 9809571200/(1x52)

LCM = 9809571200/52

LCM = 188645600

Thus, we can understand that the LCM of 221,388,143,800 is 188645600.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 221, 388, 143, 800

1. What is the LCM of 221, 388, 143, 800?

Answer: LCM of 221, 388, 143, 800 is 188645600.

2. How to calculate the LCM of 221, 388, 143, 800?

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 221, 388, 143, 800.

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}.