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LCM of 458, 390, 646, 575

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


Find the LCM of 458, 390, 646, 575 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 458, 390, 646, 575. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 458,390,646,575

Given numbers are 458,390,646,575

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

The LCM of 458,390,646,575 is 3317419950.

Find LCM of 458,390,646,575 with Prime Factorization


2 458, 390, 646, 575
5 229, 195, 323, 575
229, 39, 323, 115

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

2 x 5 x 229 x 39 x 323 x 115 = 3317419950

Therefore, the lowest common multiple of 458,390,646,575 is 3317419950.

LCM Formula to Find Lowest Common Multiple of 458,390,646,575

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.

458 x 390 x 646 x 575 = 66348399000

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.

458 : 1, 2, 229, 458

390 : 1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390

646 : 1, 2, 17, 19, 34, 38, 323, 646

575 : 1, 5, 23, 25, 115, 575

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 458,390,646,575, is 1.

Now, the common factors can be found like this.

458:2x 229

390:2x 3x 5x 13

646:2x 17x 19

575:5x 5x 23

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 5 = 20

Therefore, the value for common factors is 20.

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 = 66348399000/(1x20)

LCM = 66348399000/20

LCM = 3317419950

Thus, we can understand that the LCM of 458,390,646,575 is 3317419950.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 458, 390, 646, 575

1. What is the LCM of 458, 390, 646, 575?

Answer: LCM of 458, 390, 646, 575 is 3317419950.

2. How to calculate the LCM of 458, 390, 646, 575?

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 458, 390, 646, 575.

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}.