Find the LCM of 728, 646, 977, 817 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 728, 646, 977, 817. So, keep reading to learn more.
Given numbers are 728,646,977,817
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 728,646,977,817 is 9878634584.
Find LCM of 728,646,977,817 with Prime Factorization
2 | 728, 646, 977, 817 |
19 | 364, 323, 977, 817 |
364, 17, 977, 43 |
Multiply the prime numbers at the bottom and the left side.
2 x 19 x 364 x 17 x 977 x 43 = 9878634584
Therefore, the lowest common multiple of 728,646,977,817 is 9878634584.
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.
728 x 646 x 977 x 817 = 375388114192
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.
728 : 1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728
646 : 1, 2, 17, 19, 34, 38, 323, 646
977 : 1, 977
817 : 1, 19, 43, 817
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 728,646,977,817, is 1.
Now, the common factors can be found like this.
728:2x 2x 2x 7x 13
646:2x 17x 19
977:977
817:19x 43
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
2x 19 = 38
Therefore, the value for common factors is 38.
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 = 375388114192/(1x38)
LCM = 375388114192/38
LCM = 9878634584
Thus, we can understand that the LCM of 728,646,977,817 is 9878634584.
Here are some samples of LCM of two or more Numbers calculations.
1. What is the LCM of 728, 646, 977, 817?
Answer: LCM of 728, 646, 977, 817 is 9878634584.
2. How to calculate the LCM of 728, 646, 977, 817?
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 728, 646, 977, 817.
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}.