LCM of 643, 684, 906, 607, 858
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 643, 684, 906, 607, 858 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 643, 684, 906, 607, 858. So, keep reading to learn more.
Given numbers are 643,684,906,607,858
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 643,684,906,607,858 is 5764594333212.
Find LCM of 643,684,906,607,858 with Prime Factorization
| 2 | 643, 684, 906, 607, 858 |
| 3 | 643, 342, 453, 607, 429 |
| 643, 114, 151, 607, 143 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 643 x 114 x 151 x 607 x 143 = 5764594333212
Therefore, the lowest common multiple of 643,684,906,607,858 is 5764594333212.
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.
643 x 684 x 906 x 607 x 858 = 207525395995632
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.
643 : 1, 643
684 : 1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684
906 : 1, 2, 3, 6, 151, 302, 453, 906
607 : 1, 607
858 : 1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 643,684,906,607,858, is 1.
Now, the common factors can be found like this.
643:643
684:2x 2x 3x 3x 19
906:2x 3x 151
607:607
858:2x 3x 11x 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 3x 3 = 36
Therefore, the value for common factors is 36.
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 = 207525395995632/(1x36)
LCM = 207525395995632/36
LCM = 5764594333212
Thus, we can understand that the LCM of 643,684,906,607,858 is 5764594333212.
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FAQs on LCM of 643, 684, 906, 607, 858
1. What is the LCM of 643, 684, 906, 607, 858?
Answer: LCM of 643, 684, 906, 607, 858 is 5764594333212.
2. How to calculate the LCM of 643, 684, 906, 607, 858?
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 643, 684, 906, 607, 858.
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}.