LCM of 813, 678, 861, 631
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 813, 678, 861, 631 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 813, 678, 861, 631. So, keep reading to learn more.
Given numbers are 813,678,861,631
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 813,678,861,631 is 33274400586.
Find LCM of 813,678,861,631 with Prime Factorization
| 3 | 813, 678, 861, 631 |
| 271, 226, 287, 631 |
Multiply the prime numbers at the bottom and the left side.
3 x 271 x 226 x 287 x 631 = 33274400586
Therefore, the lowest common multiple of 813,678,861,631 is 33274400586.
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.
813 x 678 x 861 x 631 = 299469605274
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.
813 : 1, 3, 271, 813
678 : 1, 2, 3, 6, 113, 226, 339, 678
861 : 1, 3, 7, 21, 41, 123, 287, 861
631 : 1, 631
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 813,678,861,631, is 1.
Now, the common factors can be found like this.
813:3x 271
678:2x 3x 113
861:3x 7x 41
631:631
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
3x 3 = 9
Therefore, the value for common factors is 9.
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 = 299469605274/(1x9)
LCM = 299469605274/9
LCM = 33274400586
Thus, we can understand that the LCM of 813,678,861,631 is 33274400586.
LCM of two or more Numbers Calculation Examples
Here are some samples of LCM of two or more Numbers calculations.
FAQs on LCM of 813, 678, 861, 631
1. What is the LCM of 813, 678, 861, 631?
Answer: LCM of 813, 678, 861, 631 is 33274400586.
2. How to calculate the LCM of 813, 678, 861, 631?
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 813, 678, 861, 631.
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}.