LCM of 781, 211, 459, 891, 218
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 781, 211, 459, 891, 218 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 781, 211, 459, 891, 218. So, keep reading to learn more.
Given numbers are 781,211,459,891,218
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 781,211,459,891,218 is 49467951126.
Find LCM of 781,211,459,891,218 with Prime Factorization
| 3 | 781, 211, 459, 891, 218 |
| 3 | 781, 211, 153, 297, 218 |
| 3 | 781, 211, 51, 99, 218 |
| 11 | 781, 211, 17, 33, 218 |
| 71, 211, 17, 3, 218 |
Multiply the prime numbers at the bottom and the left side.
3 x 3 x 3 x 11 x 71 x 211 x 17 x 3 x 218 = 49467951126
Therefore, the lowest common multiple of 781,211,459,891,218 is 49467951126.
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.
781 x 211 x 459 x 891 x 218 = 14691981484422
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.
781 : 1, 11, 71, 781
211 : 1, 211
459 : 1, 3, 9, 17, 27, 51, 153, 459
891 : 1, 3, 9, 11, 27, 33, 81, 99, 297, 891
218 : 1, 2, 109, 218
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 781,211,459,891,218, is 1.
Now, the common factors can be found like this.
781:11x 71
211:211
459:3x 3x 3x 17
891:3x 3x 3x 3x 11
218:2x 109
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
3x 3x 3x 11 = 297
Therefore, the value for common factors is 297.
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 = 14691981484422/(1x297)
LCM = 14691981484422/297
LCM = 49467951126
Thus, we can understand that the LCM of 781,211,459,891,218 is 49467951126.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 781, 211, 459, 891, 218
1. What is the LCM of 781, 211, 459, 891, 218?
Answer: LCM of 781, 211, 459, 891, 218 is 49467951126.
2. How to calculate the LCM of 781, 211, 459, 891, 218?
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 781, 211, 459, 891, 218.
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}.