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LCM of 641, 877, 910, 780

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


Find the LCM of 641, 877, 910, 780 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 641, 877, 910, 780. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 641,877,910,780

Given numbers are 641,877,910,780

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

The LCM of 641,877,910,780 is 3069377220.

Find LCM of 641,877,910,780 with Prime Factorization


2 641, 877, 910, 780
5 641, 877, 455, 390
13 641, 877, 91, 78
641, 877, 7, 6

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

2 x 5 x 13 x 641 x 877 x 7 x 6 = 3069377220

Therefore, the lowest common multiple of 641,877,910,780 is 3069377220.

LCM Formula to Find Lowest Common Multiple of 641,877,910,780

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.

641 x 877 x 910 x 780 = 399019038600

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.

641 : 1, 641

877 : 1, 877

910 : 1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910

780 : 1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 641,877,910,780, is 1.

Now, the common factors can be found like this.

641:641

877:877

910:2x 5x 7x 13

780:2x 2x 3x 5x 13

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

2x 5x 13 = 130

Therefore, the value for common factors is 130.

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 = 399019038600/(1x130)

LCM = 399019038600/130

LCM = 3069377220

Thus, we can understand that the LCM of 641,877,910,780 is 3069377220.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 641, 877, 910, 780

1. What is the LCM of 641, 877, 910, 780?

Answer: LCM of 641, 877, 910, 780 is 3069377220.

2. How to calculate the LCM of 641, 877, 910, 780?

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 641, 877, 910, 780.

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}.