LCM of 391, 713, 403, 811
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 391, 713, 403, 811 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 391, 713, 403, 811. So, keep reading to learn more.
Given numbers are 391,713,403,811
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 391,713,403,811 is 127791703.
Find LCM of 391,713,403,811 with Prime Factorization
| 23 | 391, 713, 403, 811 |
| 31 | 17, 31, 403, 811 |
| 17, 1, 13, 811 |
Multiply the prime numbers at the bottom and the left side.
23 x 31 x 17 x 1 x 13 x 811 = 127791703
Therefore, the lowest common multiple of 391,713,403,811 is 127791703.
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.
391 x 713 x 403 x 811 = 91115484239
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.
391 : 1, 17, 23, 391
713 : 1, 23, 31, 713
403 : 1, 13, 31, 403
811 : 1, 811
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 391,713,403,811, is 1.
Now, the common factors can be found like this.
391:17x 23
713:23x 31
403:13x 31
811:811
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
23x 31 = 713
Therefore, the value for common factors is 713.
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 = 91115484239/(1x713)
LCM = 91115484239/713
LCM = 127791703
Thus, we can understand that the LCM of 391,713,403,811 is 127791703.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 391, 713, 403, 811
1. What is the LCM of 391, 713, 403, 811?
Answer: LCM of 391, 713, 403, 811 is 127791703.
2. How to calculate the LCM of 391, 713, 403, 811?
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 391, 713, 403, 811.
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}.