LCM of 309, 204, 420, 853, 849
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 309, 204, 420, 853, 849 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 309, 204, 420, 853, 849. So, keep reading to learn more.
Given numbers are 309,204,420,853,849
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 309,204,420,853,849 is 177529652580.
Find LCM of 309,204,420,853,849 with Prime Factorization
| 2 | 309, 204, 420, 853, 849 |
| 2 | 309, 102, 210, 853, 849 |
| 3 | 309, 51, 105, 853, 849 |
| 103, 17, 35, 853, 283 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 3 x 103 x 17 x 35 x 853 x 283 = 177529652580
Therefore, the lowest common multiple of 309,204,420,853,849 is 177529652580.
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.
309 x 204 x 420 x 853 x 849 = 19173202478640
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.
309 : 1, 3, 103, 309
204 : 1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204
420 : 1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420
853 : 1, 853
849 : 1, 3, 283, 849
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 309,204,420,853,849, is 1.
Now, the common factors can be found like this.
309:3x 103
204:2x 2x 3x 17
420:2x 2x 3x 5x 7
853:853
849:3x 283
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 3x 3x 3 = 108
Therefore, the value for common factors is 108.
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 = 19173202478640/(1x108)
LCM = 19173202478640/108
LCM = 177529652580
Thus, we can understand that the LCM of 309,204,420,853,849 is 177529652580.
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FAQs on LCM of 309, 204, 420, 853, 849
1. What is the LCM of 309, 204, 420, 853, 849?
Answer: LCM of 309, 204, 420, 853, 849 is 177529652580.
2. How to calculate the LCM of 309, 204, 420, 853, 849?
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 309, 204, 420, 853, 849.
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}.