LCM of 939, 406, 642, 784, 694
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 939, 406, 642, 784, 694 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 939, 406, 642, 784, 694. So, keep reading to learn more.
Given numbers are 939,406,642,784,694
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 939,406,642,784,694 is 792670882416.
Find LCM of 939,406,642,784,694 with Prime Factorization
| 2 | 939, 406, 642, 784, 694 |
| 3 | 939, 203, 321, 392, 347 |
| 7 | 313, 203, 107, 392, 347 |
| 313, 29, 107, 56, 347 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 7 x 313 x 29 x 107 x 56 x 347 = 792670882416
Therefore, the lowest common multiple of 939,406,642,784,694 is 792670882416.
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.
939 x 406 x 642 x 784 x 694 = 133168708245888
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.
939 : 1, 3, 313, 939
406 : 1, 2, 7, 14, 29, 58, 203, 406
642 : 1, 2, 3, 6, 107, 214, 321, 642
784 : 1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784
694 : 1, 2, 347, 694
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 939,406,642,784,694, is 1.
Now, the common factors can be found like this.
939:3x 313
406:2x 7x 29
642:2x 3x 107
784:2x 2x 2x 2x 7x 7
694:2x 347
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 3x 7 = 168
Therefore, the value for common factors is 168.
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 = 133168708245888/(1x168)
LCM = 133168708245888/168
LCM = 792670882416
Thus, we can understand that the LCM of 939,406,642,784,694 is 792670882416.
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FAQs on LCM of 939, 406, 642, 784, 694
1. What is the LCM of 939, 406, 642, 784, 694?
Answer: LCM of 939, 406, 642, 784, 694 is 792670882416.
2. How to calculate the LCM of 939, 406, 642, 784, 694?
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 939, 406, 642, 784, 694.
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}.