LCM of 426, 810, 131, 990
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 426, 810, 131, 990 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 426, 810, 131, 990. So, keep reading to learn more.
Given numbers are 426,810,131,990
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 426,810,131,990 is 82871910.
Find LCM of 426,810,131,990 with Prime Factorization
| 2 | 426, 810, 131, 990 |
| 3 | 213, 405, 131, 495 |
| 3 | 71, 135, 131, 165 |
| 5 | 71, 45, 131, 55 |
| 71, 9, 131, 11 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 3 x 5 x 71 x 9 x 131 x 11 = 82871910
Therefore, the lowest common multiple of 426,810,131,990 is 82871910.
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.
426 x 810 x 131 x 990 = 44750831400
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.
426 : 1, 2, 3, 6, 71, 142, 213, 426
810 : 1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810
131 : 1, 131
990 : 1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 426,810,131,990, is 1.
Now, the common factors can be found like this.
426:2x 3x 71
810:2x 3x 3x 3x 3x 5
131:131
990:2x 3x 3x 5x 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 2x 3x 3x 3x 5 = 540
Therefore, the value for common factors is 540.
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 = 44750831400/(1x540)
LCM = 44750831400/540
LCM = 82871910
Thus, we can understand that the LCM of 426,810,131,990 is 82871910.
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FAQs on LCM of 426, 810, 131, 990
1. What is the LCM of 426, 810, 131, 990?
Answer: LCM of 426, 810, 131, 990 is 82871910.
2. How to calculate the LCM of 426, 810, 131, 990?
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 426, 810, 131, 990.
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}.