LCM of 390, 364, 858, 344
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 390, 364, 858, 344 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 390, 364, 858, 344. So, keep reading to learn more.
Given numbers are 390,364,858,344
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 390,364,858,344 is 5165160.
Find LCM of 390,364,858,344 with Prime Factorization
| 2 | 390, 364, 858, 344 |
| 2 | 195, 182, 429, 172 |
| 3 | 195, 91, 429, 86 |
| 13 | 65, 91, 143, 86 |
| 5, 7, 11, 86 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 3 x 13 x 5 x 7 x 11 x 86 = 5165160
Therefore, the lowest common multiple of 390,364,858,344 is 5165160.
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.
390 x 364 x 858 x 344 = 41899777920
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.
390 : 1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390
364 : 1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364
858 : 1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858
344 : 1, 2, 4, 8, 43, 86, 172, 344
2 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 390,364,858,344, is 2.
Now, the common factors can be found like this.
390:2x 3x 5x 13
364:2x 2x 7x 13
858:2x 3x 11x 13
344:2x 2x 2x 43
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 3x 13x 13 = 4056
Therefore, the value for common factors is 4056.
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 = 41899777920/(2x4056)
LCM = 41899777920/8112
LCM = 5165160
Thus, we can understand that the LCM of 390,364,858,344 is 5165160.
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FAQs on LCM of 390, 364, 858, 344
1. What is the LCM of 390, 364, 858, 344?
Answer: LCM of 390, 364, 858, 344 is 5165160.
2. How to calculate the LCM of 390, 364, 858, 344?
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 390, 364, 858, 344.
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}.