LCM of 175, 438, 395, 972, 905
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 175, 438, 395, 972, 905 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 175, 438, 395, 972, 905. So, keep reading to learn more.
Given numbers are 175,438,395,972,905
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 175,438,395,972,905 is 177554972700.
Find LCM of 175,438,395,972,905 with Prime Factorization
| 2 | 175, 438, 395, 972, 905 |
| 3 | 175, 219, 395, 486, 905 |
| 5 | 175, 73, 395, 162, 905 |
| 35, 73, 79, 162, 181 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 5 x 35 x 73 x 79 x 162 x 181 = 177554972700
Therefore, the lowest common multiple of 175,438,395,972,905 is 177554972700.
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.
175 x 438 x 395 x 972 x 905 = 26633245905000
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.
175 : 1, 5, 7, 25, 35, 175
438 : 1, 2, 3, 6, 73, 146, 219, 438
395 : 1, 5, 79, 395
972 : 1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972
905 : 1, 5, 181, 905
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 175,438,395,972,905, is 1.
Now, the common factors can be found like this.
175:5x 5x 7
438:2x 3x 73
395:5x 79
972:2x 2x 3x 3x 3x 3x 3
905:5x 181
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 5x 5 = 150
Therefore, the value for common factors is 150.
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 = 26633245905000/(1x150)
LCM = 26633245905000/150
LCM = 177554972700
Thus, we can understand that the LCM of 175,438,395,972,905 is 177554972700.
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FAQs on LCM of 175, 438, 395, 972, 905
1. What is the LCM of 175, 438, 395, 972, 905?
Answer: LCM of 175, 438, 395, 972, 905 is 177554972700.
2. How to calculate the LCM of 175, 438, 395, 972, 905?
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 175, 438, 395, 972, 905.
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}.