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LCM of 865, 418, 286, 868

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


Find the LCM of 865, 418, 286, 868 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 865, 418, 286, 868. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 865,418,286,868

Given numbers are 865,418,286,868

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

The LCM of 865,418,286,868 is 2039977940.

Find LCM of 865,418,286,868 with Prime Factorization


2 865, 418, 286, 868
11 865, 209, 143, 434
865, 19, 13, 434

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

2 x 11 x 865 x 19 x 13 x 434 = 2039977940

Therefore, the lowest common multiple of 865,418,286,868 is 2039977940.

LCM Formula to Find Lowest Common Multiple of 865,418,286,868

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.

865 x 418 x 286 x 868 = 89759029360

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.

865 : 1, 5, 173, 865

418 : 1, 2, 11, 19, 22, 38, 209, 418

286 : 1, 2, 11, 13, 22, 26, 143, 286

868 : 1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 865,418,286,868, is 1.

Now, the common factors can be found like this.

865:5x 173

418:2x 11x 19

286:2x 11x 13

868:2x 2x 7x 31

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 11 = 44

Therefore, the value for common factors is 44.

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 = 89759029360/(1x44)

LCM = 89759029360/44

LCM = 2039977940

Thus, we can understand that the LCM of 865,418,286,868 is 2039977940.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 865, 418, 286, 868

1. What is the LCM of 865, 418, 286, 868?

Answer: LCM of 865, 418, 286, 868 is 2039977940.

2. How to calculate the LCM of 865, 418, 286, 868?

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 865, 418, 286, 868.

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}.