LCM of 806, 990, 687, 155
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 806, 990, 687, 155 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 806, 990, 687, 155. So, keep reading to learn more.
Given numbers are 806,990,687,155
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 806,990,687,155 is 91364130.
Find LCM of 806,990,687,155 with Prime Factorization
| 2 | 806, 990, 687, 155 |
| 3 | 403, 495, 687, 155 |
| 5 | 403, 165, 229, 155 |
| 31 | 403, 33, 229, 31 |
| 13, 33, 229, 1 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 5 x 31 x 13 x 33 x 229 x 1 = 91364130
Therefore, the lowest common multiple of 806,990,687,155 is 91364130.
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.
806 x 990 x 687 x 155 = 84968640900
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.
806 : 1, 2, 13, 26, 31, 62, 403, 806
990 : 1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990
687 : 1, 3, 229, 687
155 : 1, 5, 31, 155
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 806,990,687,155, is 1.
Now, the common factors can be found like this.
806:2x 13x 31
990:2x 3x 3x 5x 11
687:3x 229
155:5x 31
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 5x 31 = 930
Therefore, the value for common factors is 930.
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 = 84968640900/(1x930)
LCM = 84968640900/930
LCM = 91364130
Thus, we can understand that the LCM of 806,990,687,155 is 91364130.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 806, 990, 687, 155
1. What is the LCM of 806, 990, 687, 155?
Answer: LCM of 806, 990, 687, 155 is 91364130.
2. How to calculate the LCM of 806, 990, 687, 155?
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 806, 990, 687, 155.
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}.