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LCM of 638, 536, 458, 285, 194

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


Find the LCM of 638, 536, 458, 285, 194 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 638, 536, 458, 285, 194. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 638,536,458,285,194

Given numbers are 638,536,458,285,194

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

The LCM of 638,536,458,285,194 is 1082449263720.

Find LCM of 638,536,458,285,194 with Prime Factorization


2 638, 536, 458, 285, 194
319, 268, 229, 285, 97

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

2 x 319 x 268 x 229 x 285 x 97 = 1082449263720

Therefore, the lowest common multiple of 638,536,458,285,194 is 1082449263720.

LCM Formula to Find Lowest Common Multiple of 638,536,458,285,194

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.

638 x 536 x 458 x 285 x 194 = 8659594109760

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.

638 : 1, 2, 11, 22, 29, 58, 319, 638

536 : 1, 2, 4, 8, 67, 134, 268, 536

458 : 1, 2, 229, 458

285 : 1, 3, 5, 15, 19, 57, 95, 285

194 : 1, 2, 97, 194

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 638,536,458,285,194, is 1.

Now, the common factors can be found like this.

638:2x 11x 29

536:2x 2x 2x 67

458:2x 229

285:3x 5x 19

194:2x 97

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 2 = 8

Therefore, the value for common factors is 8.

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 = 8659594109760/(1x8)

LCM = 8659594109760/8

LCM = 1082449263720

Thus, we can understand that the LCM of 638,536,458,285,194 is 1082449263720.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 638, 536, 458, 285, 194

1. What is the LCM of 638, 536, 458, 285, 194?

Answer: LCM of 638, 536, 458, 285, 194 is 1082449263720.

2. How to calculate the LCM of 638, 536, 458, 285, 194?

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 638, 536, 458, 285, 194.

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}.