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LCM of 654, 731, 315, 408

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


Find the LCM of 654, 731, 315, 408 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 654, 731, 315, 408. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 654,731,315,408

Given numbers are 654,731,315,408

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

The LCM of 654,731,315,408 is 200791080.

Find LCM of 654,731,315,408 with Prime Factorization


2 654, 731, 315, 408
3 327, 731, 315, 204
17 109, 731, 105, 68
109, 43, 105, 4

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

2 x 3 x 17 x 109 x 43 x 105 x 4 = 200791080

Therefore, the lowest common multiple of 654,731,315,408 is 200791080.

LCM Formula to Find Lowest Common Multiple of 654,731,315,408

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.

654 x 731 x 315 x 408 = 61442070480

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.

654 : 1, 2, 3, 6, 109, 218, 327, 654

731 : 1, 17, 43, 731

315 : 1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315

408 : 1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 654,731,315,408, is 1.

Now, the common factors can be found like this.

654:2x 3x 109

731:17x 43

315:3x 3x 5x 7

408:2x 2x 2x 3x 17

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

2x 3x 3x 17 = 306

Therefore, the value for common factors is 306.

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 = 61442070480/(1x306)

LCM = 61442070480/306

LCM = 200791080

Thus, we can understand that the LCM of 654,731,315,408 is 200791080.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 654, 731, 315, 408

1. What is the LCM of 654, 731, 315, 408?

Answer: LCM of 654, 731, 315, 408 is 200791080.

2. How to calculate the LCM of 654, 731, 315, 408?

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 654, 731, 315, 408.

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}.