LCM of 810, 782, 793, 938, 115
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 810, 782, 793, 938, 115 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 810, 782, 793, 938, 115. So, keep reading to learn more.
Given numbers are 810,782,793,938,115
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 810,782,793,938,115 is 117789833070.
Find LCM of 810,782,793,938,115 with Prime Factorization
| 2 | 810, 782, 793, 938, 115 |
| 5 | 405, 391, 793, 469, 115 |
| 23 | 81, 391, 793, 469, 23 |
| 81, 17, 793, 469, 1 |
Multiply the prime numbers at the bottom and the left side.
2 x 5 x 23 x 81 x 17 x 793 x 469 x 1 = 117789833070
Therefore, the lowest common multiple of 810,782,793,938,115 is 117789833070.
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.
810 x 782 x 793 x 938 x 115 = 54183323212200
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.
810 : 1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810
782 : 1, 2, 17, 23, 34, 46, 391, 782
793 : 1, 13, 61, 793
938 : 1, 2, 7, 14, 67, 134, 469, 938
115 : 1, 5, 23, 115
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 810,782,793,938,115, is 1.
Now, the common factors can be found like this.
810:2x 3x 3x 3x 3x 5
782:2x 17x 23
793:13x 61
938:2x 7x 67
115:5x 23
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 5x 23 = 460
Therefore, the value for common factors is 460.
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 = 54183323212200/(1x460)
LCM = 54183323212200/460
LCM = 117789833070
Thus, we can understand that the LCM of 810,782,793,938,115 is 117789833070.
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FAQs on LCM of 810, 782, 793, 938, 115
1. What is the LCM of 810, 782, 793, 938, 115?
Answer: LCM of 810, 782, 793, 938, 115 is 117789833070.
2. How to calculate the LCM of 810, 782, 793, 938, 115?
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 810, 782, 793, 938, 115.
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}.