LCM of 908, 863, 861, 644
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 908, 863, 861, 644 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 908, 863, 861, 644. So, keep reading to learn more.
Given numbers are 908,863,861,644
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 908,863,861,644 is 15517710012.
Find LCM of 908,863,861,644 with Prime Factorization
| 2 | 908, 863, 861, 644 |
| 2 | 454, 863, 861, 322 |
| 7 | 227, 863, 861, 161 |
| 227, 863, 123, 23 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 7 x 227 x 863 x 123 x 23 = 15517710012
Therefore, the lowest common multiple of 908,863,861,644 is 15517710012.
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.
908 x 863 x 861 x 644 = 434495880336
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.
908 : 1, 2, 4, 227, 454, 908
863 : 1, 863
861 : 1, 3, 7, 21, 41, 123, 287, 861
644 : 1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 908,863,861,644, is 1.
Now, the common factors can be found like this.
908:2x 2x 227
863:863
861:3x 7x 41
644:2x 2x 7x 23
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 7 = 28
Therefore, the value for common factors is 28.
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 = 434495880336/(1x28)
LCM = 434495880336/28
LCM = 15517710012
Thus, we can understand that the LCM of 908,863,861,644 is 15517710012.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 908, 863, 861, 644
1. What is the LCM of 908, 863, 861, 644?
Answer: LCM of 908, 863, 861, 644 is 15517710012.
2. How to calculate the LCM of 908, 863, 861, 644?
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 908, 863, 861, 644.
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}.