LCM of 405, 858, 716, 316, 993
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 405, 858, 716, 316, 993 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 405, 858, 716, 316, 993. So, keep reading to learn more.
Given numbers are 405,858,716,316,993
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 405,858,716,316,993 is 1084324243860.
Find LCM of 405,858,716,316,993 with Prime Factorization
| 2 | 405, 858, 716, 316, 993 |
| 2 | 405, 429, 358, 158, 993 |
| 3 | 405, 429, 179, 79, 993 |
| 135, 143, 179, 79, 331 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 3 x 135 x 143 x 179 x 79 x 331 = 1084324243860
Therefore, the lowest common multiple of 405,858,716,316,993 is 1084324243860.
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.
405 x 858 x 716 x 316 x 993 = 78071345557920
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.
405 : 1, 3, 5, 9, 15, 27, 45, 81, 135, 405
858 : 1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858
716 : 1, 2, 4, 179, 358, 716
316 : 1, 2, 4, 79, 158, 316
993 : 1, 3, 331, 993
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 405,858,716,316,993, is 1.
Now, the common factors can be found like this.
405:3x 3x 3x 3x 5
858:2x 3x 11x 13
716:2x 2x 179
316:2x 2x 79
993:3x 331
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 3 = 72
Therefore, the value for common factors is 72.
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 = 78071345557920/(1x72)
LCM = 78071345557920/72
LCM = 1084324243860
Thus, we can understand that the LCM of 405,858,716,316,993 is 1084324243860.
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FAQs on LCM of 405, 858, 716, 316, 993
1. What is the LCM of 405, 858, 716, 316, 993?
Answer: LCM of 405, 858, 716, 316, 993 is 1084324243860.
2. How to calculate the LCM of 405, 858, 716, 316, 993?
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 405, 858, 716, 316, 993.
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}.