LCM of 843, 305, 618, 728, 923
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 843, 305, 618, 728, 923 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 843, 305, 618, 728, 923. So, keep reading to learn more.
Given numbers are 843,305,618,728,923
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 843,305,618,728,923 is 1368845292360.
Find LCM of 843,305,618,728,923 with Prime Factorization
| 2 | 843, 305, 618, 728, 923 |
| 3 | 843, 305, 309, 364, 923 |
| 13 | 281, 305, 103, 364, 923 |
| 281, 305, 103, 28, 71 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 13 x 281 x 305 x 103 x 28 x 71 = 1368845292360
Therefore, the lowest common multiple of 843,305,618,728,923 is 1368845292360.
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.
843 x 305 x 618 x 728 x 923 = 106769932804080
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.
843 : 1, 3, 281, 843
305 : 1, 5, 61, 305
618 : 1, 2, 3, 6, 103, 206, 309, 618
728 : 1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728
923 : 1, 13, 71, 923
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 843,305,618,728,923, is 1.
Now, the common factors can be found like this.
843:3x 281
305:5x 61
618:2x 3x 103
728:2x 2x 2x 7x 13
923:13x 71
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 13 = 78
Therefore, the value for common factors is 78.
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 = 106769932804080/(1x78)
LCM = 106769932804080/78
LCM = 1368845292360
Thus, we can understand that the LCM of 843,305,618,728,923 is 1368845292360.
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FAQs on LCM of 843, 305, 618, 728, 923
1. What is the LCM of 843, 305, 618, 728, 923?
Answer: LCM of 843, 305, 618, 728, 923 is 1368845292360.
2. How to calculate the LCM of 843, 305, 618, 728, 923?
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 843, 305, 618, 728, 923.
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}.