LCM of 989, 927, 987, 644, 217
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 989, 927, 987, 644, 217 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 989, 927, 987, 644, 217. So, keep reading to learn more.
Given numbers are 989,927,987,644,217
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 989,927,987,644,217 is 37401895188.
Find LCM of 989,927,987,644,217 with Prime Factorization
| 3 | 989, 927, 987, 644, 217 |
| 7 | 989, 309, 329, 644, 217 |
| 23 | 989, 309, 47, 92, 31 |
| 43, 309, 47, 4, 31 |
Multiply the prime numbers at the bottom and the left side.
3 x 7 x 23 x 43 x 309 x 47 x 4 x 31 = 37401895188
Therefore, the lowest common multiple of 989,927,987,644,217 is 37401895188.
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.
989 x 927 x 987 x 644 x 217 = 126455807630628
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.
989 : 1, 23, 43, 989
927 : 1, 3, 9, 103, 309, 927
987 : 1, 3, 7, 21, 47, 141, 329, 987
644 : 1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644
217 : 1, 7, 31, 217
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 989,927,987,644,217, is 1.
Now, the common factors can be found like this.
989:23x 43
927:3x 3x 103
987:3x 7x 47
644:2x 2x 7x 23
217:7x 31
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
3x 7x 7x 23 = 3381
Therefore, the value for common factors is 3381.
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 = 126455807630628/(1x3381)
LCM = 126455807630628/3381
LCM = 37401895188
Thus, we can understand that the LCM of 989,927,987,644,217 is 37401895188.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 989, 927, 987, 644, 217
1. What is the LCM of 989, 927, 987, 644, 217?
Answer: LCM of 989, 927, 987, 644, 217 is 37401895188.
2. How to calculate the LCM of 989, 927, 987, 644, 217?
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 989, 927, 987, 644, 217.
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}.