LCM of 344, 811, 424, 917, 721
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 344, 811, 424, 917, 721 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 344, 811, 424, 917, 721. So, keep reading to learn more.
Given numbers are 344,811,424,917,721
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 344,811,424,917,721 is 1396566842552.
Find LCM of 344,811,424,917,721 with Prime Factorization
| 2 | 344, 811, 424, 917, 721 |
| 2 | 172, 811, 212, 917, 721 |
| 2 | 86, 811, 106, 917, 721 |
| 7 | 43, 811, 53, 917, 721 |
| 43, 811, 53, 131, 103 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 2 x 7 x 43 x 811 x 53 x 131 x 103 = 1396566842552
Therefore, the lowest common multiple of 344,811,424,917,721 is 1396566842552.
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.
344 x 811 x 424 x 917 x 721 = 78207743182912
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.
344 : 1, 2, 4, 8, 43, 86, 172, 344
811 : 1, 811
424 : 1, 2, 4, 8, 53, 106, 212, 424
917 : 1, 7, 131, 917
721 : 1, 7, 103, 721
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 344,811,424,917,721, is 1.
Now, the common factors can be found like this.
344:2x 2x 2x 43
811:811
424:2x 2x 2x 53
917:7x 131
721:7x 103
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 7 = 56
Therefore, the value for common factors is 56.
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 = 78207743182912/(1x56)
LCM = 78207743182912/56
LCM = 1396566842552
Thus, we can understand that the LCM of 344,811,424,917,721 is 1396566842552.
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FAQs on LCM of 344, 811, 424, 917, 721
1. What is the LCM of 344, 811, 424, 917, 721?
Answer: LCM of 344, 811, 424, 917, 721 is 1396566842552.
2. How to calculate the LCM of 344, 811, 424, 917, 721?
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 344, 811, 424, 917, 721.
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}.