LCM of 165, 649, 405, 825, 655
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 165, 649, 405, 825, 655 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 165, 649, 405, 825, 655. So, keep reading to learn more.
Given numbers are 165,649,405,825,655
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 165,649,405,825,655 is 172163475.
Find LCM of 165,649,405,825,655 with Prime Factorization
| 3 | 165, 649, 405, 825, 655 |
| 5 | 55, 649, 135, 275, 655 |
| 11 | 11, 649, 27, 55, 131 |
| 1, 59, 27, 5, 131 |
Multiply the prime numbers at the bottom and the left side.
3 x 5 x 11 x 1 x 59 x 27 x 5 x 131 = 172163475
Therefore, the lowest common multiple of 165,649,405,825,655 is 172163475.
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.
165 x 649 x 405 x 825 x 655 = 23435753034375
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.
165 : 1, 3, 5, 11, 15, 33, 55, 165
649 : 1, 11, 59, 649
405 : 1, 3, 5, 9, 15, 27, 45, 81, 135, 405
825 : 1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825
655 : 1, 5, 131, 655
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 165,649,405,825,655, is 1.
Now, the common factors can be found like this.
165:3x 5x 11
649:11x 59
405:3x 3x 3x 3x 5
825:3x 5x 5x 11
655:5x 131
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 5x 5x 5x 11x 11 = 136125
Therefore, the value for common factors is 136125.
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 = 23435753034375/(1x136125)
LCM = 23435753034375/136125
LCM = 172163475
Thus, we can understand that the LCM of 165,649,405,825,655 is 172163475.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 165, 649, 405, 825, 655
1. What is the LCM of 165, 649, 405, 825, 655?
Answer: LCM of 165, 649, 405, 825, 655 is 172163475.
2. How to calculate the LCM of 165, 649, 405, 825, 655?
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 165, 649, 405, 825, 655.
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}.