LCM of 979, 915, 780, 779, 949
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 979, 915, 780, 779, 949 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 979, 915, 780, 779, 949. So, keep reading to learn more.
Given numbers are 979,915,780,779,949
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 979,915,780,779,949 is 2648911490940.
Find LCM of 979,915,780,779,949 with Prime Factorization
| 3 | 979, 915, 780, 779, 949 |
| 5 | 979, 305, 260, 779, 949 |
| 13 | 979, 61, 52, 779, 949 |
| 979, 61, 4, 779, 73 |
Multiply the prime numbers at the bottom and the left side.
3 x 5 x 13 x 979 x 61 x 4 x 779 x 73 = 2648911490940
Therefore, the lowest common multiple of 979,915,780,779,949 is 2648911490940.
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.
979 x 915 x 780 x 779 x 949 = 516537740733300
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.
979 : 1, 11, 89, 979
915 : 1, 3, 5, 15, 61, 183, 305, 915
780 : 1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780
779 : 1, 19, 41, 779
949 : 1, 13, 73, 949
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 979,915,780,779,949, is 1.
Now, the common factors can be found like this.
979:11x 89
915:3x 5x 61
780:2x 2x 3x 5x 13
779:19x 41
949:13x 73
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
3x 5x 13 = 195
Therefore, the value for common factors is 195.
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 = 516537740733300/(1x195)
LCM = 516537740733300/195
LCM = 2648911490940
Thus, we can understand that the LCM of 979,915,780,779,949 is 2648911490940.
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FAQs on LCM of 979, 915, 780, 779, 949
1. What is the LCM of 979, 915, 780, 779, 949?
Answer: LCM of 979, 915, 780, 779, 949 is 2648911490940.
2. How to calculate the LCM of 979, 915, 780, 779, 949?
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 979, 915, 780, 779, 949.
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}.