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LCM of 639, 906, 523, 643, 634

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


Find the LCM of 639, 906, 523, 643, 634 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 639, 906, 523, 643, 634. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 639,906,523,643,634

Given numbers are 639,906,523,643,634

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

The LCM of 639,906,523,643,634 is 20572152029514.

Find LCM of 639,906,523,643,634 with Prime Factorization


2 639, 906, 523, 643, 634
3 639, 453, 523, 643, 317
213, 151, 523, 643, 317

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

2 x 3 x 213 x 151 x 523 x 643 x 317 = 20572152029514

Therefore, the lowest common multiple of 639,906,523,643,634 is 20572152029514.

LCM Formula to Find Lowest Common Multiple of 639,906,523,643,634

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.

639 x 906 x 523 x 643 x 634 = 123432912177084

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.

639 : 1, 3, 9, 71, 213, 639

906 : 1, 2, 3, 6, 151, 302, 453, 906

523 : 1, 523

643 : 1, 643

634 : 1, 2, 317, 634

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 639,906,523,643,634, is 1.

Now, the common factors can be found like this.

639:3x 3x 71

906:2x 3x 151

523:523

643:643

634:2x 317

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

2x 3 = 6

Therefore, the value for common factors is 6.

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 = 123432912177084/(1x6)

LCM = 123432912177084/6

LCM = 20572152029514

Thus, we can understand that the LCM of 639,906,523,643,634 is 20572152029514.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 639, 906, 523, 643, 634

1. What is the LCM of 639, 906, 523, 643, 634?

Answer: LCM of 639, 906, 523, 643, 634 is 20572152029514.

2. How to calculate the LCM of 639, 906, 523, 643, 634?

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 639, 906, 523, 643, 634.

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}.