LCM of 686, 327, 747, 434, 842
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 686, 327, 747, 434, 842 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 686, 327, 747, 434, 842. So, keep reading to learn more.
Given numbers are 686,327,747,434,842
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 686,327,747,434,842 is 728978979078.
Find LCM of 686,327,747,434,842 with Prime Factorization
| 2 | 686, 327, 747, 434, 842 |
| 3 | 343, 327, 747, 217, 421 |
| 7 | 343, 109, 249, 217, 421 |
| 49, 109, 249, 31, 421 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 7 x 49 x 109 x 249 x 31 x 421 = 728978979078
Therefore, the lowest common multiple of 686,327,747,434,842 is 728978979078.
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.
686 x 327 x 747 x 434 x 842 = 61234234242552
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.
686 : 1, 2, 7, 14, 49, 98, 343, 686
327 : 1, 3, 109, 327
747 : 1, 3, 9, 83, 249, 747
434 : 1, 2, 7, 14, 31, 62, 217, 434
842 : 1, 2, 421, 842
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 686,327,747,434,842, is 1.
Now, the common factors can be found like this.
686:2x 7x 7x 7
327:3x 109
747:3x 3x 83
434:2x 7x 31
842:2x 421
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 3x 7 = 84
Therefore, the value for common factors is 84.
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 = 61234234242552/(1x84)
LCM = 61234234242552/84
LCM = 728978979078
Thus, we can understand that the LCM of 686,327,747,434,842 is 728978979078.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 686, 327, 747, 434, 842
1. What is the LCM of 686, 327, 747, 434, 842?
Answer: LCM of 686, 327, 747, 434, 842 is 728978979078.
2. How to calculate the LCM of 686, 327, 747, 434, 842?
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 686, 327, 747, 434, 842.
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}.