LCM of 206, 661, 120, 702, 790
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 206, 661, 120, 702, 790 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 206, 661, 120, 702, 790. So, keep reading to learn more.
Given numbers are 206,661,120,702,790
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 206,661,120,702,790 is 75514940280.
Find LCM of 206,661,120,702,790 with Prime Factorization
| 2 | 206, 661, 120, 702, 790 |
| 3 | 103, 661, 60, 351, 395 |
| 5 | 103, 661, 20, 117, 395 |
| 103, 661, 4, 117, 79 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 5 x 103 x 661 x 4 x 117 x 79 = 75514940280
Therefore, the lowest common multiple of 206,661,120,702,790 is 75514940280.
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.
206 x 661 x 120 x 702 x 790 = 9061792833600
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.
206 : 1, 2, 103, 206
661 : 1, 661
120 : 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120
702 : 1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702
790 : 1, 2, 5, 10, 79, 158, 395, 790
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 206,661,120,702,790, is 1.
Now, the common factors can be found like this.
206:2x 103
661:661
120:2x 2x 2x 3x 5
702:2x 3x 3x 3x 13
790:2x 5x 79
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 3x 5 = 120
Therefore, the value for common factors is 120.
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 = 9061792833600/(1x120)
LCM = 9061792833600/120
LCM = 75514940280
Thus, we can understand that the LCM of 206,661,120,702,790 is 75514940280.
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FAQs on LCM of 206, 661, 120, 702, 790
1. What is the LCM of 206, 661, 120, 702, 790?
Answer: LCM of 206, 661, 120, 702, 790 is 75514940280.
2. How to calculate the LCM of 206, 661, 120, 702, 790?
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 206, 661, 120, 702, 790.
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}.