LCM of 981, 815, 888, 753, 135
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 981, 815, 888, 753, 135 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 981, 815, 888, 753, 135. So, keep reading to learn more.
Given numbers are 981,815,888,753,135
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 981,815,888,753,135 is 178202299320.
Find LCM of 981,815,888,753,135 with Prime Factorization
| 3 | 981, 815, 888, 753, 135 |
| 3 | 327, 815, 296, 251, 45 |
| 5 | 109, 815, 296, 251, 15 |
| 109, 163, 296, 251, 3 |
Multiply the prime numbers at the bottom and the left side.
3 x 3 x 5 x 109 x 163 x 296 x 251 x 3 = 178202299320
Therefore, the lowest common multiple of 981,815,888,753,135 is 178202299320.
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.
981 x 815 x 888 x 753 x 135 = 72171931224600
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.
981 : 1, 3, 9, 109, 327, 981
815 : 1, 5, 163, 815
888 : 1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 296, 444, 888
753 : 1, 3, 251, 753
135 : 1, 3, 5, 9, 15, 27, 45, 135
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 981,815,888,753,135, is 1.
Now, the common factors can be found like this.
981:3x 3x 109
815:5x 163
888:2x 2x 2x 3x 37
753:3x 251
135:3x 3x 3x 5
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 3x 3x 5 = 405
Therefore, the value for common factors is 405.
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 = 72171931224600/(1x405)
LCM = 72171931224600/405
LCM = 178202299320
Thus, we can understand that the LCM of 981,815,888,753,135 is 178202299320.
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FAQs on LCM of 981, 815, 888, 753, 135
1. What is the LCM of 981, 815, 888, 753, 135?
Answer: LCM of 981, 815, 888, 753, 135 is 178202299320.
2. How to calculate the LCM of 981, 815, 888, 753, 135?
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 981, 815, 888, 753, 135.
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}.