LCM of 420, 758, 814, 851
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 420, 758, 814, 851 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 420, 758, 814, 851. So, keep reading to learn more.
Given numbers are 420,758,814,851
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 420,758,814,851 is 1490083980.
Find LCM of 420,758,814,851 with Prime Factorization
| 2 | 420, 758, 814, 851 |
| 37 | 210, 379, 407, 851 |
| 210, 379, 11, 23 |
Multiply the prime numbers at the bottom and the left side.
2 x 37 x 210 x 379 x 11 x 23 = 1490083980
Therefore, the lowest common multiple of 420,758,814,851 is 1490083980.
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.
420 x 758 x 814 x 851 = 220532429040
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.
420 : 1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420
758 : 1, 2, 379, 758
814 : 1, 2, 11, 22, 37, 74, 407, 814
851 : 1, 23, 37, 851
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 420,758,814,851, is 1.
Now, the common factors can be found like this.
420:2x 2x 3x 5x 7
758:2x 379
814:2x 11x 37
851:23x 37
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 37 = 148
Therefore, the value for common factors is 148.
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 = 220532429040/(1x148)
LCM = 220532429040/148
LCM = 1490083980
Thus, we can understand that the LCM of 420,758,814,851 is 1490083980.
LCM of two or more Numbers Calculation Examples
Here are some samples of LCM of two or more Numbers calculations.
FAQs on LCM of 420, 758, 814, 851
1. What is the LCM of 420, 758, 814, 851?
Answer: LCM of 420, 758, 814, 851 is 1490083980.
2. How to calculate the LCM of 420, 758, 814, 851?
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 420, 758, 814, 851.
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}.