LCM of 806, 713, 812, 781, 891
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 806, 713, 812, 781, 891 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 806, 713, 812, 781, 891. So, keep reading to learn more.
Given numbers are 806,713,812,781,891
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 806,713,812,781,891 is 476129361708.
Find LCM of 806,713,812,781,891 with Prime Factorization
| 2 | 806, 713, 812, 781, 891 |
| 11 | 403, 713, 406, 781, 891 |
| 31 | 403, 713, 406, 71, 81 |
| 13, 23, 406, 71, 81 |
Multiply the prime numbers at the bottom and the left side.
2 x 11 x 31 x 13 x 23 x 406 x 71 x 81 = 476129361708
Therefore, the lowest common multiple of 806,713,812,781,891 is 476129361708.
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.
806 x 713 x 812 x 781 x 891 = 324720224684856
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.
806 : 1, 2, 13, 26, 31, 62, 403, 806
713 : 1, 23, 31, 713
812 : 1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812
781 : 1, 11, 71, 781
891 : 1, 3, 9, 11, 27, 33, 81, 99, 297, 891
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 806,713,812,781,891, is 1.
Now, the common factors can be found like this.
806:2x 13x 31
713:23x 31
812:2x 2x 7x 29
781:11x 71
891:3x 3x 3x 3x 11
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
2x 11x 31 = 682
Therefore, the value for common factors is 682.
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 = 324720224684856/(1x682)
LCM = 324720224684856/682
LCM = 476129361708
Thus, we can understand that the LCM of 806,713,812,781,891 is 476129361708.
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FAQs on LCM of 806, 713, 812, 781, 891
1. What is the LCM of 806, 713, 812, 781, 891?
Answer: LCM of 806, 713, 812, 781, 891 is 476129361708.
2. How to calculate the LCM of 806, 713, 812, 781, 891?
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 806, 713, 812, 781, 891.
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}.