LCM of 776, 386, 690, 687, 985
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 776, 386, 690, 687, 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 776, 386, 690, 687, 985. So, keep reading to learn more.
Given numbers are 776,386,690,687,985
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 776,386,690,687,985 is 2330986905480.
Find LCM of 776,386,690,687,985 with Prime Factorization
| 2 | 776, 386, 690, 687, 985 |
| 3 | 388, 193, 345, 687, 985 |
| 5 | 388, 193, 115, 229, 985 |
| 388, 193, 23, 229, 197 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 5 x 388 x 193 x 23 x 229 x 197 = 2330986905480
Therefore, the lowest common multiple of 776,386,690,687,985 is 2330986905480.
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.
776 x 386 x 690 x 687 x 985 = 139859214328800
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.
776 : 1, 2, 4, 8, 97, 194, 388, 776
386 : 1, 2, 193, 386
690 : 1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690
687 : 1, 3, 229, 687
985 : 1, 5, 197, 985
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 776,386,690,687,985, is 1.
Now, the common factors can be found like this.
776:2x 2x 2x 97
386:2x 193
690:2x 3x 5x 23
687:3x 229
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.
2x 2x 3x 5 = 60
Therefore, the value for common factors is 60.
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 = 139859214328800/(1x60)
LCM = 139859214328800/60
LCM = 2330986905480
Thus, we can understand that the LCM of 776,386,690,687,985 is 2330986905480.
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FAQs on LCM of 776, 386, 690, 687, 985
1. What is the LCM of 776, 386, 690, 687, 985?
Answer: LCM of 776, 386, 690, 687, 985 is 2330986905480.
2. How to calculate the LCM of 776, 386, 690, 687, 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 776, 386, 690, 687, 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}.