LCM of 855, 123, 240, 755, 135
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 855, 123, 240, 755, 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 855, 123, 240, 755, 135. So, keep reading to learn more.
Given numbers are 855,123,240,755,135
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 855,123,240,755,135 is 254078640.
Find LCM of 855,123,240,755,135 with Prime Factorization
| 3 | 855, 123, 240, 755, 135 |
| 3 | 285, 41, 80, 755, 45 |
| 5 | 95, 41, 80, 755, 15 |
| 19, 41, 16, 151, 3 |
Multiply the prime numbers at the bottom and the left side.
3 x 3 x 5 x 19 x 41 x 16 x 151 x 3 = 254078640
Therefore, the lowest common multiple of 855,123,240,755,135 is 254078640.
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.
855 x 123 x 240 x 755 x 135 = 2572546230000
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.
855 : 1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855
123 : 1, 3, 41, 123
240 : 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240
755 : 1, 5, 151, 755
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 855,123,240,755,135, is 1.
Now, the common factors can be found like this.
855:3x 3x 5x 19
123:3x 41
240:2x 2x 2x 2x 3x 5
755:5x 151
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 5x 5x 5 = 10125
Therefore, the value for common factors is 10125.
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 = 2572546230000/(1x10125)
LCM = 2572546230000/10125
LCM = 254078640
Thus, we can understand that the LCM of 855,123,240,755,135 is 254078640.
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FAQs on LCM of 855, 123, 240, 755, 135
1. What is the LCM of 855, 123, 240, 755, 135?
Answer: LCM of 855, 123, 240, 755, 135 is 254078640.
2. How to calculate the LCM of 855, 123, 240, 755, 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 855, 123, 240, 755, 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}.