LCM of 836, 403, 779, 981, 860
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 836, 403, 779, 981, 860 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, 403, 779, 981, 860. So, keep reading to learn more.
Given numbers are 836,403,779,981,860
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 836,403,779,981,860 is 2913416983620.
Find LCM of 836,403,779,981,860 with Prime Factorization
| 2 | 836, 403, 779, 981, 860 |
| 2 | 418, 403, 779, 981, 430 |
| 19 | 209, 403, 779, 981, 215 |
| 11, 403, 41, 981, 215 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 19 x 11 x 403 x 41 x 981 x 215 = 2913416983620
Therefore, the lowest common multiple of 836,403,779,981,860 is 2913416983620.
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 403 x 779 x 981 x 860 = 221419690755120
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
403 : 1, 13, 31, 403
779 : 1, 19, 41, 779
981 : 1, 3, 9, 109, 327, 981
860 : 1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 836,403,779,981,860, is 1.
Now, the common factors can be found like this.
836:2x 2x 11x 19
403:13x 31
779:19x 41
981:3x 3x 109
860:2x 2x 5x 43
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 19 = 76
Therefore, the value for common factors is 76.
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 = 221419690755120/(1x76)
LCM = 221419690755120/76
LCM = 2913416983620
Thus, we can understand that the LCM of 836,403,779,981,860 is 2913416983620.
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FAQs on LCM of 836, 403, 779, 981, 860
1. What is the LCM of 836, 403, 779, 981, 860?
Answer: LCM of 836, 403, 779, 981, 860 is 2913416983620.
2. How to calculate the LCM of 836, 403, 779, 981, 860?
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, 403, 779, 981, 860.
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}.