LCM of 969, 836, 790, 407, 121
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 969, 836, 790, 407, 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 969, 836, 790, 407, 121. So, keep reading to learn more.
Given numbers are 969,836,790,407,121
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 969,836,790,407,121 is 6854376540.
Find LCM of 969,836,790,407,121 with Prime Factorization
| 2 | 969, 836, 790, 407, 121 |
| 11 | 969, 418, 395, 407, 121 |
| 19 | 969, 38, 395, 37, 11 |
| 51, 2, 395, 37, 11 |
Multiply the prime numbers at the bottom and the left side.
2 x 11 x 19 x 51 x 2 x 395 x 37 x 11 = 6854376540
Therefore, the lowest common multiple of 969,836,790,407,121 is 6854376540.
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.
969 x 836 x 790 x 407 x 121 = 31516423330920
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.
969 : 1, 3, 17, 19, 51, 57, 323, 969
836 : 1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836
790 : 1, 2, 5, 10, 79, 158, 395, 790
407 : 1, 11, 37, 407
121 : 1, 11, 121
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 969,836,790,407,121, is 1.
Now, the common factors can be found like this.
969:3x 17x 19
836:2x 2x 11x 19
790:2x 5x 79
407:11x 37
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 11x 11x 19 = 4598
Therefore, the value for common factors is 4598.
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 = 31516423330920/(1x4598)
LCM = 31516423330920/4598
LCM = 6854376540
Thus, we can understand that the LCM of 969,836,790,407,121 is 6854376540.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 969, 836, 790, 407, 121
1. What is the LCM of 969, 836, 790, 407, 121?
Answer: LCM of 969, 836, 790, 407, 121 is 6854376540.
2. How to calculate the LCM of 969, 836, 790, 407, 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 969, 836, 790, 407, 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}.