LCM of 311, 912, 426, 494, 691
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 311, 912, 426, 494, 691 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 311, 912, 426, 494, 691. So, keep reading to learn more.
Given numbers are 311,912,426,494,691
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 311,912,426,494,691 is 180898504176.
Find LCM of 311,912,426,494,691 with Prime Factorization
| 2 | 311, 912, 426, 494, 691 |
| 3 | 311, 456, 213, 247, 691 |
| 19 | 311, 152, 71, 247, 691 |
| 311, 8, 71, 13, 691 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 19 x 311 x 8 x 71 x 13 x 691 = 180898504176
Therefore, the lowest common multiple of 311,912,426,494,691 is 180898504176.
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.
311 x 912 x 426 x 494 x 691 = 41244858952128
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.
311 : 1, 311
912 : 1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912
426 : 1, 2, 3, 6, 71, 142, 213, 426
494 : 1, 2, 13, 19, 26, 38, 247, 494
691 : 1, 691
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 311,912,426,494,691, is 1.
Now, the common factors can be found like this.
311:311
912:2x 2x 2x 2x 3x 19
426:2x 3x 71
494:2x 13x 19
691:691
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 19 = 228
Therefore, the value for common factors is 228.
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 = 41244858952128/(1x228)
LCM = 41244858952128/228
LCM = 180898504176
Thus, we can understand that the LCM of 311,912,426,494,691 is 180898504176.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 311, 912, 426, 494, 691
1. What is the LCM of 311, 912, 426, 494, 691?
Answer: LCM of 311, 912, 426, 494, 691 is 180898504176.
2. How to calculate the LCM of 311, 912, 426, 494, 691?
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 311, 912, 426, 494, 691.
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}.