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LCM of 172, 925, 856, 721

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


Find the LCM of 172, 925, 856, 721 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 172, 925, 856, 721. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 172,925,856,721

Given numbers are 172,925,856,721

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

The LCM of 172,925,856,721 is 24548175400.

Find LCM of 172,925,856,721 with Prime Factorization


2 172, 925, 856, 721
2 86, 925, 428, 721
43, 925, 214, 721

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

2 x 2 x 43 x 925 x 214 x 721 = 24548175400

Therefore, the lowest common multiple of 172,925,856,721 is 24548175400.

LCM Formula to Find Lowest Common Multiple of 172,925,856,721

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.

172 x 925 x 856 x 721 = 98192701600

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.

172 : 1, 2, 4, 43, 86, 172

925 : 1, 5, 25, 37, 185, 925

856 : 1, 2, 4, 8, 107, 214, 428, 856

721 : 1, 7, 103, 721

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 172,925,856,721, is 1.

Now, the common factors can be found like this.

172:2x 2x 43

925:5x 5x 37

856:2x 2x 2x 107

721:7x 103

From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.

2x 2 = 4

Therefore, the value for common factors is 4.

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 = 98192701600/(1x4)

LCM = 98192701600/4

LCM = 24548175400

Thus, we can understand that the LCM of 172,925,856,721 is 24548175400.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 172, 925, 856, 721

1. What is the LCM of 172, 925, 856, 721?

Answer: LCM of 172, 925, 856, 721 is 24548175400.

2. How to calculate the LCM of 172, 925, 856, 721?

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 172, 925, 856, 721.

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}.