LCM of 798, 709, 400, 861, 517
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 798, 709, 400, 861, 517 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 798, 709, 400, 861, 517. So, keep reading to learn more.
Given numbers are 798,709,400,861,517
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 798,709,400,861,517 is 2398576210800.
Find LCM of 798,709,400,861,517 with Prime Factorization
| 2 | 798, 709, 400, 861, 517 |
| 3 | 399, 709, 200, 861, 517 |
| 7 | 133, 709, 200, 287, 517 |
| 19, 709, 200, 41, 517 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 7 x 19 x 709 x 200 x 41 x 517 = 2398576210800
Therefore, the lowest common multiple of 798,709,400,861,517 is 2398576210800.
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.
798 x 709 x 400 x 861 x 517 = 100740200853600
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.
798 : 1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798
709 : 1, 709
400 : 1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400
861 : 1, 3, 7, 21, 41, 123, 287, 861
517 : 1, 11, 47, 517
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 798,709,400,861,517, is 1.
Now, the common factors can be found like this.
798:2x 3x 7x 19
709:709
400:2x 2x 2x 2x 5x 5
861:3x 7x 41
517:11x 47
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
2x 3x 7 = 42
Therefore, the value for common factors is 42.
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 = 100740200853600/(1x42)
LCM = 100740200853600/42
LCM = 2398576210800
Thus, we can understand that the LCM of 798,709,400,861,517 is 2398576210800.
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FAQs on LCM of 798, 709, 400, 861, 517
1. What is the LCM of 798, 709, 400, 861, 517?
Answer: LCM of 798, 709, 400, 861, 517 is 2398576210800.
2. How to calculate the LCM of 798, 709, 400, 861, 517?
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 798, 709, 400, 861, 517.
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}.