LCM of 858, 287, 781, 993, 284
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 858, 287, 781, 993, 284 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 858, 287, 781, 993, 284. So, keep reading to learn more.
Given numbers are 858,287,781,993,284
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 858,287,781,993,284 is 11574054492.
Find LCM of 858,287,781,993,284 with Prime Factorization
| 2 | 858, 287, 781, 993, 284 |
| 3 | 429, 287, 781, 993, 142 |
| 11 | 143, 287, 781, 331, 142 |
| 71 | 13, 287, 71, 331, 142 |
| 13, 287, 1, 331, 2 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 11 x 71 x 13 x 287 x 1 x 331 x 2 = 11574054492
Therefore, the lowest common multiple of 858,287,781,993,284 is 11574054492.
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.
858 x 287 x 781 x 993 x 284 = 54236019349512
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.
858 : 1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858
287 : 1, 7, 41, 287
781 : 1, 11, 71, 781
993 : 1, 3, 331, 993
284 : 1, 2, 4, 71, 142, 284
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 858,287,781,993,284, is 1.
Now, the common factors can be found like this.
858:2x 3x 11x 13
287:7x 41
781:11x 71
993:3x 331
284:2x 2x 71
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 11x 71 = 4686
Therefore, the value for common factors is 4686.
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 = 54236019349512/(1x4686)
LCM = 54236019349512/4686
LCM = 11574054492
Thus, we can understand that the LCM of 858,287,781,993,284 is 11574054492.
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FAQs on LCM of 858, 287, 781, 993, 284
1. What is the LCM of 858, 287, 781, 993, 284?
Answer: LCM of 858, 287, 781, 993, 284 is 11574054492.
2. How to calculate the LCM of 858, 287, 781, 993, 284?
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 858, 287, 781, 993, 284.
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}.