LCM of 975, 981, 836, 605, 985
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 975, 981, 836, 605, 985 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 975, 981, 836, 605, 985. So, keep reading to learn more.
Given numbers are 975,981,836,605,985
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 975,981,836,605,985 is 577587195900.
Find LCM of 975,981,836,605,985 with Prime Factorization
| 3 | 975, 981, 836, 605, 985 |
| 5 | 325, 327, 836, 605, 985 |
| 11 | 65, 327, 836, 121, 197 |
| 65, 327, 76, 11, 197 |
Multiply the prime numbers at the bottom and the left side.
3 x 5 x 11 x 65 x 327 x 76 x 11 x 197 = 577587195900
Therefore, the lowest common multiple of 975,981,836,605,985 is 577587195900.
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.
975 x 981 x 836 x 605 x 985 = 476509436617500
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.
975 : 1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975
981 : 1, 3, 9, 109, 327, 981
836 : 1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836
605 : 1, 5, 11, 55, 121, 605
985 : 1, 5, 197, 985
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 975,981,836,605,985, is 1.
Now, the common factors can be found like this.
975:3x 5x 5x 13
981:3x 3x 109
836:2x 2x 11x 19
605:5x 11x 11
985:5x 197
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
3x 5x 5x 11 = 825
Therefore, the value for common factors is 825.
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 = 476509436617500/(1x825)
LCM = 476509436617500/825
LCM = 577587195900
Thus, we can understand that the LCM of 975,981,836,605,985 is 577587195900.
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FAQs on LCM of 975, 981, 836, 605, 985
1. What is the LCM of 975, 981, 836, 605, 985?
Answer: LCM of 975, 981, 836, 605, 985 is 577587195900.
2. How to calculate the LCM of 975, 981, 836, 605, 985?
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 975, 981, 836, 605, 985.
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}.