LCM of 989, 284, 618, 844, 765
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 989, 284, 618, 844, 765 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, 284, 618, 844, 765. So, keep reading to learn more.
Given numbers are 989,284,618,844,765
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 989,284,618,844,765 is 4669772752620.
Find LCM of 989,284,618,844,765 with Prime Factorization
| 2 | 989, 284, 618, 844, 765 |
| 2 | 989, 142, 309, 422, 765 |
| 3 | 989, 71, 309, 211, 765 |
| 989, 71, 103, 211, 255 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 3 x 989 x 71 x 103 x 211 x 255 = 4669772752620
Therefore, the lowest common multiple of 989,284,618,844,765 is 4669772752620.
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 284 x 618 x 844 x 765 = 112074546062880
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
284 : 1, 2, 4, 71, 142, 284
618 : 1, 2, 3, 6, 103, 206, 309, 618
844 : 1, 2, 4, 211, 422, 844
765 : 1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 989,284,618,844,765, is 1.
Now, the common factors can be found like this.
989:23x 43
284:2x 2x 71
618:2x 3x 103
844:2x 2x 211
765:3x 3x 5x 17
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 3 = 24
Therefore, the value for common factors is 24.
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 = 112074546062880/(1x24)
LCM = 112074546062880/24
LCM = 4669772752620
Thus, we can understand that the LCM of 989,284,618,844,765 is 4669772752620.
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FAQs on LCM of 989, 284, 618, 844, 765
1. What is the LCM of 989, 284, 618, 844, 765?
Answer: LCM of 989, 284, 618, 844, 765 is 4669772752620.
2. How to calculate the LCM of 989, 284, 618, 844, 765?
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, 284, 618, 844, 765.
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}.