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LCM of 331, 532, 408, 490

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


Find the LCM of 331, 532, 408, 490 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 331, 532, 408, 490. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 331,532,408,490

Given numbers are 331,532,408,490

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

The LCM of 331,532,408,490 is 628648440.

Find LCM of 331,532,408,490 with Prime Factorization


2 331, 532, 408, 490
2 331, 266, 204, 245
7 331, 133, 102, 245
331, 19, 102, 35

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

2 x 2 x 7 x 331 x 19 x 102 x 35 = 628648440

Therefore, the lowest common multiple of 331,532,408,490 is 628648440.

LCM Formula to Find Lowest Common Multiple of 331,532,408,490

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.

331 x 532 x 408 x 490 = 35204312640

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.

331 : 1, 331

532 : 1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532

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

490 : 1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 331,532,408,490, is 1.

Now, the common factors can be found like this.

331:331

532:2x 2x 7x 19

408:2x 2x 2x 3x 17

490:2x 5x 7x 7

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 2x 7 = 56

Therefore, the value for common factors is 56.

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 = 35204312640/(1x56)

LCM = 35204312640/56

LCM = 628648440

Thus, we can understand that the LCM of 331,532,408,490 is 628648440.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 331, 532, 408, 490

1. What is the LCM of 331, 532, 408, 490?

Answer: LCM of 331, 532, 408, 490 is 628648440.

2. How to calculate the LCM of 331, 532, 408, 490?

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 331, 532, 408, 490.

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}.