LCM of 817, 946, 620, 207, 856
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 817, 946, 620, 207, 856 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 817, 946, 620, 207, 856. So, keep reading to learn more.
Given numbers are 817,946,620,207,856
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 817,946,620,207,856 is 246825798120.
Find LCM of 817,946,620,207,856 with Prime Factorization
| 2 | 817, 946, 620, 207, 856 |
| 2 | 817, 473, 310, 207, 428 |
| 43 | 817, 473, 155, 207, 214 |
| 19, 11, 155, 207, 214 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 43 x 19 x 11 x 155 x 207 x 214 = 246825798120
Therefore, the lowest common multiple of 817,946,620,207,856 is 246825798120.
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.
817 x 946 x 620 x 207 x 856 = 84908074553280
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.
817 : 1, 19, 43, 817
946 : 1, 2, 11, 22, 43, 86, 473, 946
620 : 1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620
207 : 1, 3, 9, 23, 69, 207
856 : 1, 2, 4, 8, 107, 214, 428, 856
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 817,946,620,207,856, is 1.
Now, the common factors can be found like this.
817:19x 43
946:2x 11x 43
620:2x 2x 5x 31
207:3x 3x 23
856:2x 2x 2x 107
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 2x 43 = 344
Therefore, the value for common factors is 344.
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 = 84908074553280/(1x344)
LCM = 84908074553280/344
LCM = 246825798120
Thus, we can understand that the LCM of 817,946,620,207,856 is 246825798120.
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FAQs on LCM of 817, 946, 620, 207, 856
1. What is the LCM of 817, 946, 620, 207, 856?
Answer: LCM of 817, 946, 620, 207, 856 is 246825798120.
2. How to calculate the LCM of 817, 946, 620, 207, 856?
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 817, 946, 620, 207, 856.
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}.