LCM of 815, 243, 920, 833, 986
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 815, 243, 920, 833, 986 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 815, 243, 920, 833, 986. So, keep reading to learn more.
Given numbers are 815,243,920,833,986
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 815,243,920,833,986 is 880287843960.
Find LCM of 815,243,920,833,986 with Prime Factorization
| 2 | 815, 243, 920, 833, 986 |
| 5 | 815, 243, 460, 833, 493 |
| 17 | 163, 243, 92, 833, 493 |
| 163, 243, 92, 49, 29 |
Multiply the prime numbers at the bottom and the left side.
2 x 5 x 17 x 163 x 243 x 92 x 49 x 29 = 880287843960
Therefore, the lowest common multiple of 815,243,920,833,986 is 880287843960.
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.
815 x 243 x 920 x 833 x 986 = 149648933473200
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.
815 : 1, 5, 163, 815
243 : 1, 3, 9, 27, 81, 243
920 : 1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920
833 : 1, 7, 17, 49, 119, 833
986 : 1, 2, 17, 29, 34, 58, 493, 986
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 815,243,920,833,986, is 1.
Now, the common factors can be found like this.
815:5x 163
243:3x 3x 3x 3x 3
920:2x 2x 2x 5x 23
833:7x 7x 17
986:2x 17x 29
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
2x 5x 17 = 170
Therefore, the value for common factors is 170.
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 = 149648933473200/(1x170)
LCM = 149648933473200/170
LCM = 880287843960
Thus, we can understand that the LCM of 815,243,920,833,986 is 880287843960.
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FAQs on LCM of 815, 243, 920, 833, 986
1. What is the LCM of 815, 243, 920, 833, 986?
Answer: LCM of 815, 243, 920, 833, 986 is 880287843960.
2. How to calculate the LCM of 815, 243, 920, 833, 986?
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 815, 243, 920, 833, 986.
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}.