LCM of 704, 831, 869, 802, 405
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 704, 831, 869, 802, 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 704, 831, 869, 802, 405. So, keep reading to learn more.
Given numbers are 704,831,869,802,405
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 704,831,869,802,405 is 2501951664960.
Find LCM of 704,831,869,802,405 with Prime Factorization
| 2 | 704, 831, 869, 802, 405 |
| 3 | 352, 831, 869, 401, 405 |
| 11 | 352, 277, 869, 401, 135 |
| 32, 277, 79, 401, 135 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 11 x 32 x 277 x 79 x 401 x 135 = 2501951664960
Therefore, the lowest common multiple of 704,831,869,802,405 is 2501951664960.
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.
704 x 831 x 869 x 802 x 405 = 165128809887360
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.
704 : 1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 176, 352, 704
831 : 1, 3, 277, 831
869 : 1, 11, 79, 869
802 : 1, 2, 401, 802
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 704,831,869,802,405, is 1.
Now, the common factors can be found like this.
704:2x 2x 2x 2x 2x 2x 11
831:3x 277
869:11x 79
802:2x 401
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 3x 11 = 66
Therefore, the value for common factors is 66.
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 = 165128809887360/(1x66)
LCM = 165128809887360/66
LCM = 2501951664960
Thus, we can understand that the LCM of 704,831,869,802,405 is 2501951664960.
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FAQs on LCM of 704, 831, 869, 802, 405
1. What is the LCM of 704, 831, 869, 802, 405?
Answer: LCM of 704, 831, 869, 802, 405 is 2501951664960.
2. How to calculate the LCM of 704, 831, 869, 802, 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 704, 831, 869, 802, 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}.