LCM of 820, 424, 847, 694, 913
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 820, 424, 847, 694, 913 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 820, 424, 847, 694, 913. So, keep reading to learn more.
Given numbers are 820,424,847,694,913
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 820,424,847,694,913 is 2120365333240.
Find LCM of 820,424,847,694,913 with Prime Factorization
| 2 | 820, 424, 847, 694, 913 |
| 2 | 410, 212, 847, 347, 913 |
| 11 | 205, 106, 847, 347, 913 |
| 205, 106, 77, 347, 83 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 11 x 205 x 106 x 77 x 347 x 83 = 2120365333240
Therefore, the lowest common multiple of 820,424,847,694,913 is 2120365333240.
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.
820 x 424 x 847 x 694 x 913 = 186592149325120
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.
820 : 1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820
424 : 1, 2, 4, 8, 53, 106, 212, 424
847 : 1, 7, 11, 77, 121, 847
694 : 1, 2, 347, 694
913 : 1, 11, 83, 913
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 820,424,847,694,913, is 1.
Now, the common factors can be found like this.
820:2x 2x 5x 41
424:2x 2x 2x 53
847:7x 11x 11
694:2x 347
913:11x 83
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 11 = 88
Therefore, the value for common factors is 88.
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 = 186592149325120/(1x88)
LCM = 186592149325120/88
LCM = 2120365333240
Thus, we can understand that the LCM of 820,424,847,694,913 is 2120365333240.
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FAQs on LCM of 820, 424, 847, 694, 913
1. What is the LCM of 820, 424, 847, 694, 913?
Answer: LCM of 820, 424, 847, 694, 913 is 2120365333240.
2. How to calculate the LCM of 820, 424, 847, 694, 913?
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 820, 424, 847, 694, 913.
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}.