LCM of 686, 327, 840, 637, 558
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 686, 327, 840, 637, 558 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, 840, 637, 558. So, keep reading to learn more.
Given numbers are 686,327,840,637,558
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 686,327,840,637,558 is 5424105960.
Find LCM of 686,327,840,637,558 with Prime Factorization
| 2 | 686, 327, 840, 637, 558 |
| 3 | 343, 327, 420, 637, 279 |
| 7 | 343, 109, 140, 637, 93 |
| 7 | 49, 109, 20, 91, 93 |
| 7, 109, 20, 13, 93 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 7 x 7 x 7 x 109 x 20 x 13 x 93 = 5424105960
Therefore, the lowest common multiple of 686,327,840,637,558 is 5424105960.
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 840 x 637 x 558 = 66976860394080
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
840 : 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840
637 : 1, 7, 13, 49, 91, 637
558 : 1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 686,327,840,637,558, is 1.
Now, the common factors can be found like this.
686:2x 7x 7x 7
327:3x 109
840:2x 2x 2x 3x 5x 7
637:7x 7x 13
558:2x 3x 3x 31
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 3x 7x 7x 7 = 12348
Therefore, the value for common factors is 12348.
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 = 66976860394080/(1x12348)
LCM = 66976860394080/12348
LCM = 5424105960
Thus, we can understand that the LCM of 686,327,840,637,558 is 5424105960.
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FAQs on LCM of 686, 327, 840, 637, 558
1. What is the LCM of 686, 327, 840, 637, 558?
Answer: LCM of 686, 327, 840, 637, 558 is 5424105960.
2. How to calculate the LCM of 686, 327, 840, 637, 558?
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, 840, 637, 558.
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}.