LCM of 408, 623, 364, 814, 991
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 408, 623, 364, 814, 991 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 408, 623, 364, 814, 991. So, keep reading to learn more.
Given numbers are 408,623,364,814,991
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 408,623,364,814,991 is 1332783556104.
Find LCM of 408,623,364,814,991 with Prime Factorization
| 2 | 408, 623, 364, 814, 991 |
| 2 | 204, 623, 182, 407, 991 |
| 7 | 102, 623, 91, 407, 991 |
| 102, 89, 13, 407, 991 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 7 x 102 x 89 x 13 x 407 x 991 = 1332783556104
Therefore, the lowest common multiple of 408,623,364,814,991 is 1332783556104.
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.
408 x 623 x 364 x 814 x 991 = 74635879141824
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.
408 : 1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408
623 : 1, 7, 89, 623
364 : 1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364
814 : 1, 2, 11, 22, 37, 74, 407, 814
991 : 1, 991
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 408,623,364,814,991, is 1.
Now, the common factors can be found like this.
408:2x 2x 2x 3x 17
623:7x 89
364:2x 2x 7x 13
814:2x 11x 37
991:991
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
2x 2x 2x 7 = 56
Therefore, the value for common factors is 56.
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 = 74635879141824/(1x56)
LCM = 74635879141824/56
LCM = 1332783556104
Thus, we can understand that the LCM of 408,623,364,814,991 is 1332783556104.
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FAQs on LCM of 408, 623, 364, 814, 991
1. What is the LCM of 408, 623, 364, 814, 991?
Answer: LCM of 408, 623, 364, 814, 991 is 1332783556104.
2. How to calculate the LCM of 408, 623, 364, 814, 991?
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 408, 623, 364, 814, 991.
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}.