LCM of 728, 856, 136, 832
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 728, 856, 136, 832 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 728, 856, 136, 832. So, keep reading to learn more.
Given numbers are 728,856,136,832
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 728,856,136,832 is 10593856.
Find LCM of 728,856,136,832 with Prime Factorization
| 2 | 728, 856, 136, 832 |
| 2 | 364, 428, 68, 416 |
| 2 | 182, 214, 34, 208 |
| 13 | 91, 107, 17, 104 |
| 7, 107, 17, 8 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 2 x 13 x 7 x 107 x 17 x 8 = 10593856
Therefore, the lowest common multiple of 728,856,136,832 is 10593856.
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.
728 x 856 x 136 x 832 = 70512705536
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.
728 : 1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728
856 : 1, 2, 4, 8, 107, 214, 428, 856
136 : 1, 2, 4, 8, 17, 34, 68, 136
832 : 1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832
8 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 728,856,136,832, is 8.
Now, the common factors can be found like this.
728:2x 2x 2x 7x 13
856:2x 2x 2x 107
136:2x 2x 2x 17
832:2x 2x 2x 2x 2x 2x 13
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 2x 13 = 832
Therefore, the value for common factors is 832.
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 = 70512705536/(8x832)
LCM = 70512705536/6656
LCM = 10593856
Thus, we can understand that the LCM of 728,856,136,832 is 10593856.
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FAQs on LCM of 728, 856, 136, 832
1. What is the LCM of 728, 856, 136, 832?
Answer: LCM of 728, 856, 136, 832 is 10593856.
2. How to calculate the LCM of 728, 856, 136, 832?
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 728, 856, 136, 832.
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}.