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LCM of 641, 542, 478, 404

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


Find the LCM of 641, 542, 478, 404 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 641, 542, 478, 404. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 641,542,478,404

Given numbers are 641,542,478,404

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

The LCM of 641,542,478,404 is 16772839316.

Find LCM of 641,542,478,404 with Prime Factorization


2 641, 542, 478, 404
641, 271, 239, 202

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

2 x 641 x 271 x 239 x 202 = 16772839316

Therefore, the lowest common multiple of 641,542,478,404 is 16772839316.

LCM Formula to Find Lowest Common Multiple of 641,542,478,404

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.

641 x 542 x 478 x 404 = 67091357264

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.

641 : 1, 641

542 : 1, 2, 271, 542

478 : 1, 2, 239, 478

404 : 1, 2, 4, 101, 202, 404

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 641,542,478,404, is 1.

Now, the common factors can be found like this.

641:641

542:2x 271

478:2x 239

404:2x 2x 101

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

2x 2 = 4

Therefore, the value for common factors is 4.

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 = 67091357264/(1x4)

LCM = 67091357264/4

LCM = 16772839316

Thus, we can understand that the LCM of 641,542,478,404 is 16772839316.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 641, 542, 478, 404

1. What is the LCM of 641, 542, 478, 404?

Answer: LCM of 641, 542, 478, 404 is 16772839316.

2. How to calculate the LCM of 641, 542, 478, 404?

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 641, 542, 478, 404.

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}.