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LCM of 128, 434, 979, 857

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


Find the LCM of 128, 434, 979, 857 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 128, 434, 979, 857. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 128,434,979,857

Given numbers are 128,434,979,857

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

The LCM of 128,434,979,857 is 23304147328.

Find LCM of 128,434,979,857 with Prime Factorization


2 128, 434, 979, 857
64, 217, 979, 857

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

2 x 64 x 217 x 979 x 857 = 23304147328

Therefore, the lowest common multiple of 128,434,979,857 is 23304147328.

LCM Formula to Find Lowest Common Multiple of 128,434,979,857

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.

128 x 434 x 979 x 857 = 46608294656

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.

128 : 1, 2, 4, 8, 16, 32, 64, 128

434 : 1, 2, 7, 14, 31, 62, 217, 434

979 : 1, 11, 89, 979

857 : 1, 857

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 128,434,979,857, is 1.

Now, the common factors can be found like this.

128:2x 2x 2x 2x 2x 2x 2

434:2x 7x 31

979:11x 89

857:857

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

2 = 2

Therefore, the value for common factors is 2.

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 = 46608294656/(1x2)

LCM = 46608294656/2

LCM = 23304147328

Thus, we can understand that the LCM of 128,434,979,857 is 23304147328.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 128, 434, 979, 857

1. What is the LCM of 128, 434, 979, 857?

Answer: LCM of 128, 434, 979, 857 is 23304147328.

2. How to calculate the LCM of 128, 434, 979, 857?

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 128, 434, 979, 857.

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}.