LCM of 813, 638, 806, 618, 310
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 813, 638, 806, 618, 310 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, 638, 806, 618, 310. So, keep reading to learn more.
Given numbers are 813,638,806,618,310
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 813,638,806,618,310 is 107652346230.
Find LCM of 813,638,806,618,310 with Prime Factorization
| 2 | 813, 638, 806, 618, 310 |
| 3 | 813, 319, 403, 309, 155 |
| 31 | 271, 319, 403, 103, 155 |
| 271, 319, 13, 103, 5 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 31 x 271 x 319 x 13 x 103 x 5 = 107652346230
Therefore, the lowest common multiple of 813,638,806,618,310 is 107652346230.
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 638 x 806 x 618 x 310 = 80093345595120
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
638 : 1, 2, 11, 22, 29, 58, 319, 638
806 : 1, 2, 13, 26, 31, 62, 403, 806
618 : 1, 2, 3, 6, 103, 206, 309, 618
310 : 1, 2, 5, 10, 31, 62, 155, 310
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 813,638,806,618,310, is 1.
Now, the common factors can be found like this.
813:3x 271
638:2x 11x 29
806:2x 13x 31
618:2x 3x 103
310:2x 5x 31
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 2x 3x 31 = 744
Therefore, the value for common factors is 744.
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 = 80093345595120/(1x744)
LCM = 80093345595120/744
LCM = 107652346230
Thus, we can understand that the LCM of 813,638,806,618,310 is 107652346230.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 813, 638, 806, 618, 310
1. What is the LCM of 813, 638, 806, 618, 310?
Answer: LCM of 813, 638, 806, 618, 310 is 107652346230.
2. How to calculate the LCM of 813, 638, 806, 618, 310?
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, 638, 806, 618, 310.
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}.