LCM of 392, 803, 682, 721
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 392, 803, 682, 721 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 392, 803, 682, 721. So, keep reading to learn more.
Given numbers are 392,803,682,721
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 392,803,682,721 is 1005079768.
Find LCM of 392,803,682,721 with Prime Factorization
| 2 | 392, 803, 682, 721 |
| 7 | 196, 803, 341, 721 |
| 11 | 28, 803, 341, 103 |
| 28, 73, 31, 103 |
Multiply the prime numbers at the bottom and the left side.
2 x 7 x 11 x 28 x 73 x 31 x 103 = 1005079768
Therefore, the lowest common multiple of 392,803,682,721 is 1005079768.
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.
392 x 803 x 682 x 721 = 154782284272
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.
392 : 1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392
803 : 1, 11, 73, 803
682 : 1, 2, 11, 22, 31, 62, 341, 682
721 : 1, 7, 103, 721
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 392,803,682,721, is 1.
Now, the common factors can be found like this.
392:2x 2x 2x 7x 7
803:11x 73
682:2x 11x 31
721:7x 103
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
2x 7x 11 = 154
Therefore, the value for common factors is 154.
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 = 154782284272/(1x154)
LCM = 154782284272/154
LCM = 1005079768
Thus, we can understand that the LCM of 392,803,682,721 is 1005079768.
LCM of two or more Numbers Calculation Examples
Here are some samples of LCM of two or more Numbers calculations.
FAQs on LCM of 392, 803, 682, 721
1. What is the LCM of 392, 803, 682, 721?
Answer: LCM of 392, 803, 682, 721 is 1005079768.
2. How to calculate the LCM of 392, 803, 682, 721?
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 392, 803, 682, 721.
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}.