LCM of 515, 477, 715, 689, 981
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 515, 477, 715, 689, 981 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 515, 477, 715, 689, 981. So, keep reading to learn more.
Given numbers are 515,477,715,689,981
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 515,477,715,689,981 is 3829024485.
Find LCM of 515,477,715,689,981 with Prime Factorization
| 3 | 515, 477, 715, 689, 981 |
| 3 | 515, 159, 715, 689, 327 |
| 5 | 515, 53, 715, 689, 109 |
| 13 | 103, 53, 143, 689, 109 |
| 53 | 103, 53, 11, 53, 109 |
| 103, 1, 11, 1, 109 |
Multiply the prime numbers at the bottom and the left side.
3 x 3 x 5 x 13 x 53 x 103 x 1 x 11 x 1 x 109 = 3829024485
Therefore, the lowest common multiple of 515,477,715,689,981 is 3829024485.
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.
515 x 477 x 715 x 689 x 981 = 118718904157425
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.
515 : 1, 5, 103, 515
477 : 1, 3, 9, 53, 159, 477
715 : 1, 5, 11, 13, 55, 65, 143, 715
689 : 1, 13, 53, 689
981 : 1, 3, 9, 109, 327, 981
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 515,477,715,689,981, is 1.
Now, the common factors can be found like this.
515:5x 103
477:3x 3x 53
715:5x 11x 13
689:13x 53
981:3x 3x 109
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
3x 3x 5x 13x 53 = 31005
Therefore, the value for common factors is 31005.
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 = 118718904157425/(1x31005)
LCM = 118718904157425/31005
LCM = 3829024485
Thus, we can understand that the LCM of 515,477,715,689,981 is 3829024485.
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FAQs on LCM of 515, 477, 715, 689, 981
1. What is the LCM of 515, 477, 715, 689, 981?
Answer: LCM of 515, 477, 715, 689, 981 is 3829024485.
2. How to calculate the LCM of 515, 477, 715, 689, 981?
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 515, 477, 715, 689, 981.
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}.