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LCM of 123, 836, 380, 757

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


Find the LCM of 123, 836, 380, 757 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 123, 836, 380, 757. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 123,836,380,757

Given numbers are 123,836,380,757

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

The LCM of 123,836,380,757 is 389203980.

Find LCM of 123,836,380,757 with Prime Factorization


2 123, 836, 380, 757
2 123, 418, 190, 757
19 123, 209, 95, 757
123, 11, 5, 757

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

2 x 2 x 19 x 123 x 11 x 5 x 757 = 389203980

Therefore, the lowest common multiple of 123,836,380,757 is 389203980.

LCM Formula to Find Lowest Common Multiple of 123,836,380,757

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.

123 x 836 x 380 x 757 = 29579502480

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.

123 : 1, 3, 41, 123

836 : 1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836

380 : 1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380

757 : 1, 757

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 123,836,380,757, is 1.

Now, the common factors can be found like this.

123:3x 41

836:2x 2x 11x 19

380:2x 2x 5x 19

757:757

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 19 = 76

Therefore, the value for common factors is 76.

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 = 29579502480/(1x76)

LCM = 29579502480/76

LCM = 389203980

Thus, we can understand that the LCM of 123,836,380,757 is 389203980.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 123, 836, 380, 757

1. What is the LCM of 123, 836, 380, 757?

Answer: LCM of 123, 836, 380, 757 is 389203980.

2. How to calculate the LCM of 123, 836, 380, 757?

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 123, 836, 380, 757.

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}.