LCM of 861, 962, 986, 915, 276
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 861, 962, 986, 915, 276 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 861, 962, 986, 915, 276. So, keep reading to learn more.
Given numbers are 861,962,986,915,276
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 861,962,986,915,276 is 5729052654780.
Find LCM of 861,962,986,915,276 with Prime Factorization
| 2 | 861, 962, 986, 915, 276 |
| 3 | 861, 481, 493, 915, 138 |
| 287, 481, 493, 305, 46 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 287 x 481 x 493 x 305 x 46 = 5729052654780
Therefore, the lowest common multiple of 861,962,986,915,276 is 5729052654780.
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.
861 x 962 x 986 x 915 x 276 = 206245895572080
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.
861 : 1, 3, 7, 21, 41, 123, 287, 861
962 : 1, 2, 13, 26, 37, 74, 481, 962
986 : 1, 2, 17, 29, 34, 58, 493, 986
915 : 1, 3, 5, 15, 61, 183, 305, 915
276 : 1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 861,962,986,915,276, is 1.
Now, the common factors can be found like this.
861:3x 7x 41
962:2x 13x 37
986:2x 17x 29
915:3x 5x 61
276:2x 2x 3x 23
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
2x 2x 3x 3 = 36
Therefore, the value for common factors is 36.
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 = 206245895572080/(1x36)
LCM = 206245895572080/36
LCM = 5729052654780
Thus, we can understand that the LCM of 861,962,986,915,276 is 5729052654780.
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FAQs on LCM of 861, 962, 986, 915, 276
1. What is the LCM of 861, 962, 986, 915, 276?
Answer: LCM of 861, 962, 986, 915, 276 is 5729052654780.
2. How to calculate the LCM of 861, 962, 986, 915, 276?
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 861, 962, 986, 915, 276.
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}.