LCM of 792, 879, 561, 391, 865
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 792, 879, 561, 391, 865 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 792, 879, 561, 391, 865. So, keep reading to learn more.
Given numbers are 792,879,561,391,865
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 792,879,561,391,865 is 78484820040.
Find LCM of 792,879,561,391,865 with Prime Factorization
| 3 | 792, 879, 561, 391, 865 |
| 11 | 264, 293, 187, 391, 865 |
| 17 | 24, 293, 17, 391, 865 |
| 24, 293, 1, 23, 865 |
Multiply the prime numbers at the bottom and the left side.
3 x 11 x 17 x 24 x 293 x 1 x 23 x 865 = 78484820040
Therefore, the lowest common multiple of 792,879,561,391,865 is 78484820040.
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.
792 x 879 x 561 x 391 x 865 = 132089952127320
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.
792 : 1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 198, 264, 396, 792
879 : 1, 3, 293, 879
561 : 1, 3, 11, 17, 33, 51, 187, 561
391 : 1, 17, 23, 391
865 : 1, 5, 173, 865
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 792,879,561,391,865, is 1.
Now, the common factors can be found like this.
792:2x 2x 2x 3x 3x 11
879:3x 293
561:3x 11x 17
391:17x 23
865:5x 173
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
3x 3x 11x 17 = 1683
Therefore, the value for common factors is 1683.
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 = 132089952127320/(1x1683)
LCM = 132089952127320/1683
LCM = 78484820040
Thus, we can understand that the LCM of 792,879,561,391,865 is 78484820040.
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FAQs on LCM of 792, 879, 561, 391, 865
1. What is the LCM of 792, 879, 561, 391, 865?
Answer: LCM of 792, 879, 561, 391, 865 is 78484820040.
2. How to calculate the LCM of 792, 879, 561, 391, 865?
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 792, 879, 561, 391, 865.
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}.