LCM of 396, 855, 687, 515
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 396, 855, 687, 515 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 396, 855, 687, 515. So, keep reading to learn more.
Given numbers are 396,855,687,515
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 396,855,687,515 is 887342940.
Find LCM of 396,855,687,515 with Prime Factorization
| 3 | 396, 855, 687, 515 |
| 3 | 132, 285, 229, 515 |
| 5 | 44, 95, 229, 515 |
| 44, 19, 229, 103 |
Multiply the prime numbers at the bottom and the left side.
3 x 3 x 5 x 44 x 19 x 229 x 103 = 887342940
Therefore, the lowest common multiple of 396,855,687,515 is 887342940.
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.
396 x 855 x 687 x 515 = 119791296900
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.
396 : 1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396
855 : 1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855
687 : 1, 3, 229, 687
515 : 1, 5, 103, 515
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 396,855,687,515, is 1.
Now, the common factors can be found like this.
396:2x 2x 3x 3x 11
855:3x 3x 5x 19
687:3x 229
515:5x 103
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
3x 3x 3x 5 = 135
Therefore, the value for common factors is 135.
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 = 119791296900/(1x135)
LCM = 119791296900/135
LCM = 887342940
Thus, we can understand that the LCM of 396,855,687,515 is 887342940.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 396, 855, 687, 515
1. What is the LCM of 396, 855, 687, 515?
Answer: LCM of 396, 855, 687, 515 is 887342940.
2. How to calculate the LCM of 396, 855, 687, 515?
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 396, 855, 687, 515.
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}.