LCM of 861, 105, 816, 798, 160
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 861, 105, 816, 798, 160 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 861, 105, 816, 798, 160. So, keep reading to learn more.
Given numbers are 861,105,816,798,160
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 861,105,816,798,160 is 44496480.
Find LCM of 861,105,816,798,160 with Prime Factorization
| 2 | 861, 105, 816, 798, 160 |
| 2 | 861, 105, 408, 399, 80 |
| 2 | 861, 105, 204, 399, 40 |
| 2 | 861, 105, 102, 399, 20 |
| 3 | 861, 105, 51, 399, 10 |
| 5 | 287, 35, 17, 133, 10 |
| 7 | 287, 7, 17, 133, 2 |
| 41, 1, 17, 19, 2 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 2 x 2 x 3 x 5 x 7 x 41 x 1 x 17 x 19 x 2 = 44496480
Therefore, the lowest common multiple of 861,105,816,798,160 is 44496480.
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.
861 x 105 x 816 x 798 x 160 = 9419014886400
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.
861 : 1, 3, 7, 21, 41, 123, 287, 861
105 : 1, 3, 5, 7, 15, 21, 35, 105
816 : 1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816
798 : 1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798
160 : 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 861,105,816,798,160, is 1.
Now, the common factors can be found like this.
861:3x 7x 41
105:3x 5x 7
816:2x 2x 2x 2x 3x 17
798:2x 3x 7x 19
160:2x 2x 2x 2x 2x 5
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 2x 2x 3x 3x 3x 5x 7x 7 = 211680
Therefore, the value for common factors is 211680.
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 = 9419014886400/(1x211680)
LCM = 9419014886400/211680
LCM = 44496480
Thus, we can understand that the LCM of 861,105,816,798,160 is 44496480.
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FAQs on LCM of 861, 105, 816, 798, 160
1. What is the LCM of 861, 105, 816, 798, 160?
Answer: LCM of 861, 105, 816, 798, 160 is 44496480.
2. How to calculate the LCM of 861, 105, 816, 798, 160?
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 861, 105, 816, 798, 160.
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}.