LCM of 209, 810, 285, 731, 115
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 209, 810, 285, 731, 115 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 209, 810, 285, 731, 115. So, keep reading to learn more.
Given numbers are 209,810,285,731,115
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 209,810,285,731,115 is 2846272770.
Find LCM of 209,810,285,731,115 with Prime Factorization
| 3 | 209, 810, 285, 731, 115 |
| 5 | 209, 270, 95, 731, 115 |
| 19 | 209, 54, 19, 731, 23 |
| 11, 54, 1, 731, 23 |
Multiply the prime numbers at the bottom and the left side.
3 x 5 x 19 x 11 x 54 x 1 x 731 x 23 = 2846272770
Therefore, the lowest common multiple of 209,810,285,731,115 is 2846272770.
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.
209 x 810 x 285 x 731 x 115 = 4055938697250
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.
209 : 1, 11, 19, 209
810 : 1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810
285 : 1, 3, 5, 15, 19, 57, 95, 285
731 : 1, 17, 43, 731
115 : 1, 5, 23, 115
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 209,810,285,731,115, is 1.
Now, the common factors can be found like this.
209:11x 19
810:2x 3x 3x 3x 3x 5
285:3x 5x 19
731:17x 43
115:5x 23
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
3x 5x 5x 19 = 1425
Therefore, the value for common factors is 1425.
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 = 4055938697250/(1x1425)
LCM = 4055938697250/1425
LCM = 2846272770
Thus, we can understand that the LCM of 209,810,285,731,115 is 2846272770.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 209, 810, 285, 731, 115
1. What is the LCM of 209, 810, 285, 731, 115?
Answer: LCM of 209, 810, 285, 731, 115 is 2846272770.
2. How to calculate the LCM of 209, 810, 285, 731, 115?
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 209, 810, 285, 731, 115.
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}.