LCM of 823, 436, 964, 940, 870
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 823, 436, 964, 940, 870 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 823, 436, 964, 940, 870. So, keep reading to learn more.
Given numbers are 823,436,964,940,870
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 823,436,964,940,870 is 1768033468860.
Find LCM of 823,436,964,940,870 with Prime Factorization
| 2 | 823, 436, 964, 940, 870 |
| 2 | 823, 218, 482, 470, 435 |
| 5 | 823, 109, 241, 235, 435 |
| 823, 109, 241, 47, 87 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 5 x 823 x 109 x 241 x 47 x 87 = 1768033468860
Therefore, the lowest common multiple of 823,436,964,940,870 is 1768033468860.
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.
823 x 436 x 964 x 940 x 870 = 282885355017600
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.
823 : 1, 823
436 : 1, 2, 4, 109, 218, 436
964 : 1, 2, 4, 241, 482, 964
940 : 1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940
870 : 1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 823,436,964,940,870, is 1.
Now, the common factors can be found like this.
823:823
436:2x 2x 109
964:2x 2x 241
940:2x 2x 5x 47
870:2x 3x 5x 29
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 5 = 160
Therefore, the value for common factors is 160.
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 = 282885355017600/(1x160)
LCM = 282885355017600/160
LCM = 1768033468860
Thus, we can understand that the LCM of 823,436,964,940,870 is 1768033468860.
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FAQs on LCM of 823, 436, 964, 940, 870
1. What is the LCM of 823, 436, 964, 940, 870?
Answer: LCM of 823, 436, 964, 940, 870 is 1768033468860.
2. How to calculate the LCM of 823, 436, 964, 940, 870?
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 823, 436, 964, 940, 870.
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}.