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LCM of 772, 828, 115, 865

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


Find the LCM of 772, 828, 115, 865 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 772, 828, 115, 865. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 772,828,115,865

Given numbers are 772,828,115,865

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

The LCM of 772,828,115,865 is 138230460.

Find LCM of 772,828,115,865 with Prime Factorization


2 772, 828, 115, 865
2 386, 414, 115, 865
5 193, 207, 115, 865
23 193, 207, 23, 173
193, 9, 1, 173

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

2 x 2 x 5 x 23 x 193 x 9 x 1 x 173 = 138230460

Therefore, the lowest common multiple of 772,828,115,865 is 138230460.

LCM Formula to Find Lowest Common Multiple of 772,828,115,865

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.

772 x 828 x 115 x 865 = 63586011600

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.

772 : 1, 2, 4, 193, 386, 772

828 : 1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828

115 : 1, 5, 23, 115

865 : 1, 5, 173, 865

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 772,828,115,865, is 1.

Now, the common factors can be found like this.

772:2x 2x 193

828:2x 2x 3x 3x 23

115:5x 23

865:5x 173

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 5x 23 = 460

Therefore, the value for common factors is 460.

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 = 63586011600/(1x460)

LCM = 63586011600/460

LCM = 138230460

Thus, we can understand that the LCM of 772,828,115,865 is 138230460.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 772, 828, 115, 865

1. What is the LCM of 772, 828, 115, 865?

Answer: LCM of 772, 828, 115, 865 is 138230460.

2. How to calculate the LCM of 772, 828, 115, 865?

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 772, 828, 115, 865.

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}.