LCM of 128, 501, 945, 783, 317
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 128, 501, 945, 783, 317 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 128, 501, 945, 783, 317. So, keep reading to learn more.
Given numbers are 128,501,945,783,317
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 128,501,945,783,317 is 185701541760.
Find LCM of 128,501,945,783,317 with Prime Factorization
| 3 | 128, 501, 945, 783, 317 |
| 3 | 128, 167, 315, 261, 317 |
| 3 | 128, 167, 105, 87, 317 |
| 128, 167, 35, 29, 317 |
Multiply the prime numbers at the bottom and the left side.
3 x 3 x 3 x 128 x 167 x 35 x 29 x 317 = 185701541760
Therefore, the lowest common multiple of 128,501,945,783,317 is 185701541760.
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.
128 x 501 x 945 x 783 x 317 = 15041824882560
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.
128 : 1, 2, 4, 8, 16, 32, 64, 128
501 : 1, 3, 167, 501
945 : 1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945
783 : 1, 3, 9, 27, 29, 87, 261, 783
317 : 1, 317
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 128,501,945,783,317, is 1.
Now, the common factors can be found like this.
128:2x 2x 2x 2x 2x 2x 2
501:3x 167
945:3x 3x 3x 5x 7
783:3x 3x 3x 29
317:317
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 3 = 81
Therefore, the value for common factors is 81.
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 = 15041824882560/(1x81)
LCM = 15041824882560/81
LCM = 185701541760
Thus, we can understand that the LCM of 128,501,945,783,317 is 185701541760.
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FAQs on LCM of 128, 501, 945, 783, 317
1. What is the LCM of 128, 501, 945, 783, 317?
Answer: LCM of 128, 501, 945, 783, 317 is 185701541760.
2. How to calculate the LCM of 128, 501, 945, 783, 317?
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 128, 501, 945, 783, 317.
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}.