LCM of 917, 391, 854, 784, 935
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 917, 391, 854, 784, 935 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 917, 391, 854, 784, 935. So, keep reading to learn more.
Given numbers are 917,391,854,784,935
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 917,391,854,784,935 is 134727620720.
Find LCM of 917,391,854,784,935 with Prime Factorization
| 2 | 917, 391, 854, 784, 935 |
| 7 | 917, 391, 427, 392, 935 |
| 17 | 131, 391, 61, 56, 935 |
| 131, 23, 61, 56, 55 |
Multiply the prime numbers at the bottom and the left side.
2 x 7 x 17 x 131 x 23 x 61 x 56 x 55 = 134727620720
Therefore, the lowest common multiple of 917,391,854,784,935 is 134727620720.
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.
917 x 391 x 854 x 784 x 935 = 224456216119520
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.
917 : 1, 7, 131, 917
391 : 1, 17, 23, 391
854 : 1, 2, 7, 14, 61, 122, 427, 854
784 : 1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784
935 : 1, 5, 11, 17, 55, 85, 187, 935
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 917,391,854,784,935, is 1.
Now, the common factors can be found like this.
917:7x 131
391:17x 23
854:2x 7x 61
784:2x 2x 2x 2x 7x 7
935:5x 11x 17
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
2x 7x 7x 17 = 1666
Therefore, the value for common factors is 1666.
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 = 224456216119520/(1x1666)
LCM = 224456216119520/1666
LCM = 134727620720
Thus, we can understand that the LCM of 917,391,854,784,935 is 134727620720.
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FAQs on LCM of 917, 391, 854, 784, 935
1. What is the LCM of 917, 391, 854, 784, 935?
Answer: LCM of 917, 391, 854, 784, 935 is 134727620720.
2. How to calculate the LCM of 917, 391, 854, 784, 935?
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 917, 391, 854, 784, 935.
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}.