LCM of 928, 891, 231, 726, 643
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 928, 891, 231, 726, 643 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 928, 891, 231, 726, 643. So, keep reading to learn more.
Given numbers are 928,891,231,726,643
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 928,891,231,726,643 is 40938071328.
Find LCM of 928,891,231,726,643 with Prime Factorization
| 2 | 928, 891, 231, 726, 643 |
| 3 | 464, 891, 231, 363, 643 |
| 11 | 464, 297, 77, 121, 643 |
| 464, 27, 7, 11, 643 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 11 x 464 x 27 x 7 x 11 x 643 = 40938071328
Therefore, the lowest common multiple of 928,891,231,726,643 is 40938071328.
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.
928 x 891 x 231 x 726 x 643 = 89163119352384
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.
928 : 1, 2, 4, 8, 16, 29, 32, 58, 116, 232, 464, 928
891 : 1, 3, 9, 11, 27, 33, 81, 99, 297, 891
231 : 1, 3, 7, 11, 21, 33, 77, 231
726 : 1, 2, 3, 6, 11, 22, 33, 66, 121, 242, 363, 726
643 : 1, 643
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 928,891,231,726,643, is 1.
Now, the common factors can be found like this.
928:2x 2x 2x 2x 2x 29
891:3x 3x 3x 3x 11
231:3x 7x 11
726:2x 3x 11x 11
643:643
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
2x 3x 3x 11x 11 = 2178
Therefore, the value for common factors is 2178.
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 = 89163119352384/(1x2178)
LCM = 89163119352384/2178
LCM = 40938071328
Thus, we can understand that the LCM of 928,891,231,726,643 is 40938071328.
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FAQs on LCM of 928, 891, 231, 726, 643
1. What is the LCM of 928, 891, 231, 726, 643?
Answer: LCM of 928, 891, 231, 726, 643 is 40938071328.
2. How to calculate the LCM of 928, 891, 231, 726, 643?
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 928, 891, 231, 726, 643.
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}.