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LCM of 647, 631, 346, 823, 442

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


Find the LCM of 647, 631, 346, 823, 442 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 647, 631, 346, 823, 442. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 647,631,346,823,442

Given numbers are 647,631,346,823,442

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

The LCM of 647,631,346,823,442 is 25692232744126.

Find LCM of 647,631,346,823,442 with Prime Factorization


2 647, 631, 346, 823, 442
647, 631, 173, 823, 221

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

2 x 647 x 631 x 173 x 823 x 221 = 25692232744126

Therefore, the lowest common multiple of 647,631,346,823,442 is 25692232744126.

LCM Formula to Find Lowest Common Multiple of 647,631,346,823,442

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.

647 x 631 x 346 x 823 x 442 = 51384465488252

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.

647 : 1, 647

631 : 1, 631

346 : 1, 2, 173, 346

823 : 1, 823

442 : 1, 2, 13, 17, 26, 34, 221, 442

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 647,631,346,823,442, is 1.

Now, the common factors can be found like this.

647:647

631:631

346:2x 173

823:823

442:2x 13x 17

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

2 = 2

Therefore, the value for common factors is 2.

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 = 51384465488252/(1x2)

LCM = 51384465488252/2

LCM = 25692232744126

Thus, we can understand that the LCM of 647,631,346,823,442 is 25692232744126.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 647, 631, 346, 823, 442

1. What is the LCM of 647, 631, 346, 823, 442?

Answer: LCM of 647, 631, 346, 823, 442 is 25692232744126.

2. How to calculate the LCM of 647, 631, 346, 823, 442?

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 647, 631, 346, 823, 442.

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}.