LCM of 418, 834, 784, 154
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 418, 834, 784, 154 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 418, 834, 784, 154. So, keep reading to learn more.
Given numbers are 418,834,784,154
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 418,834,784,154 is 68327952.
Find LCM of 418,834,784,154 with Prime Factorization
| 2 | 418, 834, 784, 154 |
| 7 | 209, 417, 392, 77 |
| 11 | 209, 417, 56, 11 |
| 19, 417, 56, 1 |
Multiply the prime numbers at the bottom and the left side.
2 x 7 x 11 x 19 x 417 x 56 x 1 = 68327952
Therefore, the lowest common multiple of 418,834,784,154 is 68327952.
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.
418 x 834 x 784 x 154 = 42090018432
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.
418 : 1, 2, 11, 19, 22, 38, 209, 418
834 : 1, 2, 3, 6, 139, 278, 417, 834
784 : 1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784
154 : 1, 2, 7, 11, 14, 22, 77, 154
2 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 418,834,784,154, is 2.
Now, the common factors can be found like this.
418:2x 11x 19
834:2x 3x 139
784:2x 2x 2x 2x 7x 7
154:2x 7x 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 2x 7x 11 = 308
Therefore, the value for common factors is 308.
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 = 42090018432/(2x308)
LCM = 42090018432/616
LCM = 68327952
Thus, we can understand that the LCM of 418,834,784,154 is 68327952.
LCM of two or more Numbers Calculation Examples
Here are some samples of LCM of two or more Numbers calculations.
FAQs on LCM of 418, 834, 784, 154
1. What is the LCM of 418, 834, 784, 154?
Answer: LCM of 418, 834, 784, 154 is 68327952.
2. How to calculate the LCM of 418, 834, 784, 154?
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 418, 834, 784, 154.
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}.