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LCM of 731, 260, 817, 171, 491

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


Find the LCM of 731, 260, 817, 171, 491 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 731, 260, 817, 171, 491. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 731,260,817,171,491

Given numbers are 731,260,817,171,491

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

The LCM of 731,260,817,171,491 is 15957627660.

Find LCM of 731,260,817,171,491 with Prime Factorization


19 731, 260, 817, 171, 491
43 731, 260, 43, 9, 491
17, 260, 1, 9, 491

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

19 x 43 x 17 x 260 x 1 x 9 x 491 = 15957627660

Therefore, the lowest common multiple of 731,260,817,171,491 is 15957627660.

LCM Formula to Find Lowest Common Multiple of 731,260,817,171,491

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.

731 x 260 x 817 x 171 x 491 = 13037381798220

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.

731 : 1, 17, 43, 731

260 : 1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260

817 : 1, 19, 43, 817

171 : 1, 3, 9, 19, 57, 171

491 : 1, 491

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 731,260,817,171,491, is 1.

Now, the common factors can be found like this.

731:17x 43

260:2x 2x 5x 13

817:19x 43

171:3x 3x 19

491:491

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

19x 43 = 817

Therefore, the value for common factors is 817.

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 = 13037381798220/(1x817)

LCM = 13037381798220/817

LCM = 15957627660

Thus, we can understand that the LCM of 731,260,817,171,491 is 15957627660.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 731, 260, 817, 171, 491

1. What is the LCM of 731, 260, 817, 171, 491?

Answer: LCM of 731, 260, 817, 171, 491 is 15957627660.

2. How to calculate the LCM of 731, 260, 817, 171, 491?

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 731, 260, 817, 171, 491.

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}.