LCM of 388, 665, 742, 996, 487
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 388, 665, 742, 996, 487 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 388, 665, 742, 996, 487. So, keep reading to learn more.
Given numbers are 388,665,742,996,487
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 388,665,742,996,487 is 1658278800780.
Find LCM of 388,665,742,996,487 with Prime Factorization
| 2 | 388, 665, 742, 996, 487 |
| 2 | 194, 665, 371, 498, 487 |
| 7 | 97, 665, 371, 249, 487 |
| 97, 95, 53, 249, 487 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 7 x 97 x 95 x 53 x 249 x 487 = 1658278800780
Therefore, the lowest common multiple of 388,665,742,996,487 is 1658278800780.
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.
388 x 665 x 742 x 996 x 487 = 92863612843680
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.
388 : 1, 2, 4, 97, 194, 388
665 : 1, 5, 7, 19, 35, 95, 133, 665
742 : 1, 2, 7, 14, 53, 106, 371, 742
996 : 1, 2, 3, 4, 6, 12, 83, 166, 249, 332, 498, 996
487 : 1, 487
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 388,665,742,996,487, is 1.
Now, the common factors can be found like this.
388:2x 2x 97
665:5x 7x 19
742:2x 7x 53
996:2x 2x 3x 83
487:487
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 7 = 56
Therefore, the value for common factors is 56.
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 = 92863612843680/(1x56)
LCM = 92863612843680/56
LCM = 1658278800780
Thus, we can understand that the LCM of 388,665,742,996,487 is 1658278800780.
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FAQs on LCM of 388, 665, 742, 996, 487
1. What is the LCM of 388, 665, 742, 996, 487?
Answer: LCM of 388, 665, 742, 996, 487 is 1658278800780.
2. How to calculate the LCM of 388, 665, 742, 996, 487?
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 388, 665, 742, 996, 487.
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}.