LCM of 389, 180, 973, 802, 783
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 389, 180, 973, 802, 783 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 389, 180, 973, 802, 783. So, keep reading to learn more.
Given numbers are 389,180,973,802,783
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 389,180,973,802,783 is 2376832471020.
Find LCM of 389,180,973,802,783 with Prime Factorization
| 2 | 389, 180, 973, 802, 783 |
| 3 | 389, 90, 973, 401, 783 |
| 3 | 389, 30, 973, 401, 261 |
| 389, 10, 973, 401, 87 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 3 x 389 x 10 x 973 x 401 x 87 = 2376832471020
Therefore, the lowest common multiple of 389,180,973,802,783 is 2376832471020.
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.
389 x 180 x 973 x 802 x 783 = 42782984478360
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.
389 : 1, 389
180 : 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180
973 : 1, 7, 139, 973
802 : 1, 2, 401, 802
783 : 1, 3, 9, 27, 29, 87, 261, 783
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 389,180,973,802,783, is 1.
Now, the common factors can be found like this.
389:389
180:2x 2x 3x 3x 5
973:7x 139
802:2x 401
783:3x 3x 3x 29
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
2x 3x 3 = 18
Therefore, the value for common factors is 18.
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 = 42782984478360/(1x18)
LCM = 42782984478360/18
LCM = 2376832471020
Thus, we can understand that the LCM of 389,180,973,802,783 is 2376832471020.
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FAQs on LCM of 389, 180, 973, 802, 783
1. What is the LCM of 389, 180, 973, 802, 783?
Answer: LCM of 389, 180, 973, 802, 783 is 2376832471020.
2. How to calculate the LCM of 389, 180, 973, 802, 783?
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 389, 180, 973, 802, 783.
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}.