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LCM of 847, 694, 540, 399

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


Find the LCM of 847, 694, 540, 399 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 847, 694, 540, 399. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 847,694,540,399

Given numbers are 847,694,540,399

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

The LCM of 847,694,540,399 is 3015506340.

Find LCM of 847,694,540,399 with Prime Factorization


2 847, 694, 540, 399
3 847, 347, 270, 399
7 847, 347, 90, 133
121, 347, 90, 19

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

2 x 3 x 7 x 121 x 347 x 90 x 19 = 3015506340

Therefore, the lowest common multiple of 847,694,540,399 is 3015506340.

LCM Formula to Find Lowest Common Multiple of 847,694,540,399

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.

847 x 694 x 540 x 399 = 126651266280

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.

847 : 1, 7, 11, 77, 121, 847

694 : 1, 2, 347, 694

540 : 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540

399 : 1, 3, 7, 19, 21, 57, 133, 399

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 847,694,540,399, is 1.

Now, the common factors can be found like this.

847:7x 11x 11

694:2x 347

540:2x 2x 3x 3x 3x 5

399:3x 7x 19

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 7 = 42

Therefore, the value for common factors is 42.

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 = 126651266280/(1x42)

LCM = 126651266280/42

LCM = 3015506340

Thus, we can understand that the LCM of 847,694,540,399 is 3015506340.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 847, 694, 540, 399

1. What is the LCM of 847, 694, 540, 399?

Answer: LCM of 847, 694, 540, 399 is 3015506340.

2. How to calculate the LCM of 847, 694, 540, 399?

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 847, 694, 540, 399.

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}.