LCM of 788, 649, 518, 405, 814
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 788, 649, 518, 405, 814 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 788, 649, 518, 405, 814. So, keep reading to learn more.
Given numbers are 788,649,518,405,814
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 788,649,518,405,814 is 53644561740.
Find LCM of 788,649,518,405,814 with Prime Factorization
| 2 | 788, 649, 518, 405, 814 |
| 11 | 394, 649, 259, 405, 407 |
| 37 | 394, 59, 259, 405, 37 |
| 394, 59, 7, 405, 1 |
Multiply the prime numbers at the bottom and the left side.
2 x 11 x 37 x 394 x 59 x 7 x 405 x 1 = 53644561740
Therefore, the lowest common multiple of 788,649,518,405,814 is 53644561740.
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.
788 x 649 x 518 x 405 x 814 = 87333346512720
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.
788 : 1, 2, 4, 197, 394, 788
649 : 1, 11, 59, 649
518 : 1, 2, 7, 14, 37, 74, 259, 518
405 : 1, 3, 5, 9, 15, 27, 45, 81, 135, 405
814 : 1, 2, 11, 22, 37, 74, 407, 814
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 788,649,518,405,814, is 1.
Now, the common factors can be found like this.
788:2x 2x 197
649:11x 59
518:2x 7x 37
405:3x 3x 3x 3x 5
814:2x 11x 37
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 11x 37 = 1628
Therefore, the value for common factors is 1628.
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 = 87333346512720/(1x1628)
LCM = 87333346512720/1628
LCM = 53644561740
Thus, we can understand that the LCM of 788,649,518,405,814 is 53644561740.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 788, 649, 518, 405, 814
1. What is the LCM of 788, 649, 518, 405, 814?
Answer: LCM of 788, 649, 518, 405, 814 is 53644561740.
2. How to calculate the LCM of 788, 649, 518, 405, 814?
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 788, 649, 518, 405, 814.
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}.