LCM of 857, 981, 126, 356, 791
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 857, 981, 126, 356, 791 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 857, 981, 126, 356, 791. So, keep reading to learn more.
Given numbers are 857,981,126,356,791
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 857,981,126,356,791 is 236742544332.
Find LCM of 857,981,126,356,791 with Prime Factorization
| 2 | 857, 981, 126, 356, 791 |
| 3 | 857, 981, 63, 178, 791 |
| 3 | 857, 327, 21, 178, 791 |
| 7 | 857, 109, 7, 178, 791 |
| 857, 109, 1, 178, 113 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 3 x 7 x 857 x 109 x 1 x 178 x 113 = 236742544332
Therefore, the lowest common multiple of 857,981,126,356,791 is 236742544332.
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.
857 x 981 x 126 x 356 x 791 = 29829560585832
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.
857 : 1, 857
981 : 1, 3, 9, 109, 327, 981
126 : 1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126
356 : 1, 2, 4, 89, 178, 356
791 : 1, 7, 113, 791
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 857,981,126,356,791, is 1.
Now, the common factors can be found like this.
857:857
981:3x 3x 109
126:2x 3x 3x 7
356:2x 2x 89
791:7x 113
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
2x 3x 3x 7 = 126
Therefore, the value for common factors is 126.
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 = 29829560585832/(1x126)
LCM = 29829560585832/126
LCM = 236742544332
Thus, we can understand that the LCM of 857,981,126,356,791 is 236742544332.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 857, 981, 126, 356, 791
1. What is the LCM of 857, 981, 126, 356, 791?
Answer: LCM of 857, 981, 126, 356, 791 is 236742544332.
2. How to calculate the LCM of 857, 981, 126, 356, 791?
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 857, 981, 126, 356, 791.
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}.