Find the LCM of 5, 720, 731, 646 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 5, 720, 731, 646. So, keep reading to learn more.
Given numbers are 5,720,731,646
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 5,720,731,646 is 10000080.
Find LCM of 5,720,731,646 with Prime Factorization
2 | 5, 720, 731, 646 |
5 | 5, 360, 731, 323 |
17 | 1, 72, 731, 323 |
1, 72, 43, 19 |
Multiply the prime numbers at the bottom and the left side.
2 x 5 x 17 x 1 x 72 x 43 x 19 = 10000080
Therefore, the lowest common multiple of 5,720,731,646 is 10000080.
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.
5 x 720 x 731 x 646 = 1700013600
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.
5 : 1, 5
720 : 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720
731 : 1, 17, 43, 731
646 : 1, 2, 17, 19, 34, 38, 323, 646
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 5,720,731,646, is 1.
Now, the common factors can be found like this.
5:5
720:2x 2x 2x 2x 3x 3x 5
731:17x 43
646:2x 17x 19
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
2x 5x 17 = 170
Therefore, the value for common factors is 170.
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 = 1700013600/(1x170)
LCM = 1700013600/170
LCM = 10000080
Thus, we can understand that the LCM of 5,720,731,646 is 10000080.
Here are some samples of LCM of two or more Numbers calculations.
1. What is the LCM of 5, 720, 731, 646?
Answer: LCM of 5, 720, 731, 646 is 10000080.
2. How to calculate the LCM of 5, 720, 731, 646?
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 5, 720, 731, 646.
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}.