LCM of 798, 391, 833, 315
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 798, 391, 833, 315 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 798, 391, 833, 315. So, keep reading to learn more.
Given numbers are 798,391,833,315
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 798,391,833,315 is 32761890.
Find LCM of 798,391,833,315 with Prime Factorization
| 3 | 798, 391, 833, 315 |
| 7 | 266, 391, 833, 105 |
| 17 | 38, 391, 119, 15 |
| 38, 23, 7, 15 |
Multiply the prime numbers at the bottom and the left side.
3 x 7 x 17 x 38 x 23 x 7 x 15 = 32761890
Therefore, the lowest common multiple of 798,391,833,315 is 32761890.
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.
798 x 391 x 833 x 315 = 81871963110
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.
798 : 1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798
391 : 1, 17, 23, 391
833 : 1, 7, 17, 49, 119, 833
315 : 1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 798,391,833,315, is 1.
Now, the common factors can be found like this.
798:2x 3x 7x 19
391:17x 23
833:7x 7x 17
315:3x 3x 5x 7
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
3x 7x 7x 17 = 2499
Therefore, the value for common factors is 2499.
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 = 81871963110/(1x2499)
LCM = 81871963110/2499
LCM = 32761890
Thus, we can understand that the LCM of 798,391,833,315 is 32761890.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 798, 391, 833, 315
1. What is the LCM of 798, 391, 833, 315?
Answer: LCM of 798, 391, 833, 315 is 32761890.
2. How to calculate the LCM of 798, 391, 833, 315?
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 798, 391, 833, 315.
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}.