LCM of 775, 202, 961, 968, 405
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 775, 202, 961, 968, 405 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 775, 202, 961, 968, 405. So, keep reading to learn more.
Given numbers are 775,202,961,968,405
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 775,202,961,968,405 is 190258972200.
Find LCM of 775,202,961,968,405 with Prime Factorization
| 2 | 775, 202, 961, 968, 405 |
| 5 | 775, 101, 961, 484, 405 |
| 31 | 155, 101, 961, 484, 81 |
| 5, 101, 31, 484, 81 |
Multiply the prime numbers at the bottom and the left side.
2 x 5 x 31 x 5 x 101 x 31 x 484 x 81 = 190258972200
Therefore, the lowest common multiple of 775,202,961,968,405 is 190258972200.
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.
775 x 202 x 961 x 968 x 405 = 58980281382000
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.
775 : 1, 5, 25, 31, 155, 775
202 : 1, 2, 101, 202
961 : 1, 31, 961
968 : 1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968
405 : 1, 3, 5, 9, 15, 27, 45, 81, 135, 405
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 775,202,961,968,405, is 1.
Now, the common factors can be found like this.
775:5x 5x 31
202:2x 101
961:31x 31
968:2x 2x 2x 11x 11
405:3x 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.
2x 5x 31 = 310
Therefore, the value for common factors is 310.
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 = 58980281382000/(1x310)
LCM = 58980281382000/310
LCM = 190258972200
Thus, we can understand that the LCM of 775,202,961,968,405 is 190258972200.
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FAQs on LCM of 775, 202, 961, 968, 405
1. What is the LCM of 775, 202, 961, 968, 405?
Answer: LCM of 775, 202, 961, 968, 405 is 190258972200.
2. How to calculate the LCM of 775, 202, 961, 968, 405?
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 775, 202, 961, 968, 405.
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}.