LCM of 774, 687, 715, 806, 121
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 774, 687, 715, 806, 121 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 774, 687, 715, 806, 121. So, keep reading to learn more.
Given numbers are 774,687,715,806,121
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 774,687,715,806,121 is 43215233490.
Find LCM of 774,687,715,806,121 with Prime Factorization
| 2 | 774, 687, 715, 806, 121 |
| 3 | 387, 687, 715, 403, 121 |
| 11 | 129, 229, 715, 403, 121 |
| 13 | 129, 229, 65, 403, 11 |
| 129, 229, 5, 31, 11 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 11 x 13 x 129 x 229 x 5 x 31 x 11 = 43215233490
Therefore, the lowest common multiple of 774,687,715,806,121 is 43215233490.
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.
774 x 687 x 715 x 806 x 121 = 37078670334420
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.
774 : 1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774
687 : 1, 3, 229, 687
715 : 1, 5, 11, 13, 55, 65, 143, 715
806 : 1, 2, 13, 26, 31, 62, 403, 806
121 : 1, 11, 121
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 774,687,715,806,121, is 1.
Now, the common factors can be found like this.
774:2x 3x 3x 43
687:3x 229
715:5x 11x 13
806:2x 13x 31
121:11x 11
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
2x 3x 11x 13 = 858
Therefore, the value for common factors is 858.
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 = 37078670334420/(1x858)
LCM = 37078670334420/858
LCM = 43215233490
Thus, we can understand that the LCM of 774,687,715,806,121 is 43215233490.
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FAQs on LCM of 774, 687, 715, 806, 121
1. What is the LCM of 774, 687, 715, 806, 121?
Answer: LCM of 774, 687, 715, 806, 121 is 43215233490.
2. How to calculate the LCM of 774, 687, 715, 806, 121?
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 774, 687, 715, 806, 121.
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}.