LCM of 836, 876, 420, 369
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 836, 876, 420, 369 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 836, 876, 420, 369. So, keep reading to learn more.
Given numbers are 836,876,420,369
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 836,876,420,369 is 788176620.
Find LCM of 836,876,420,369 with Prime Factorization
| 2 | 836, 876, 420, 369 |
| 2 | 418, 438, 210, 369 |
| 3 | 209, 219, 105, 369 |
| 209, 73, 35, 123 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 3 x 209 x 73 x 35 x 123 = 788176620
Therefore, the lowest common multiple of 836,876,420,369 is 788176620.
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.
836 x 876 x 420 x 369 = 113497433280
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.
836 : 1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836
876 : 1, 2, 3, 4, 6, 12, 73, 146, 219, 292, 438, 876
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
369 : 1, 3, 9, 41, 123, 369
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 836,876,420,369, is 1.
Now, the common factors can be found like this.
836:2x 2x 11x 19
876:2x 2x 3x 73
420:2x 2x 3x 5x 7
369:3x 3x 41
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 2x 3x 3 = 144
Therefore, the value for common factors is 144.
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 = 113497433280/(1x144)
LCM = 113497433280/144
LCM = 788176620
Thus, we can understand that the LCM of 836,876,420,369 is 788176620.
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FAQs on LCM of 836, 876, 420, 369
1. What is the LCM of 836, 876, 420, 369?
Answer: LCM of 836, 876, 420, 369 is 788176620.
2. How to calculate the LCM of 836, 876, 420, 369?
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 836, 876, 420, 369.
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}.