LCM of 784, 180, 311, 865, 194
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 784, 180, 311, 865, 194 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 784, 180, 311, 865, 194. So, keep reading to learn more.
Given numbers are 784,180,311,865,194
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 784,180,311,865,194 is 184122474480.
Find LCM of 784,180,311,865,194 with Prime Factorization
| 2 | 784, 180, 311, 865, 194 |
| 2 | 392, 90, 311, 865, 97 |
| 5 | 196, 45, 311, 865, 97 |
| 196, 9, 311, 173, 97 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 5 x 196 x 9 x 311 x 173 x 97 = 184122474480
Therefore, the lowest common multiple of 784,180,311,865,194 is 184122474480.
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.
784 x 180 x 311 x 865 x 194 = 7364898979200
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.
784 : 1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784
180 : 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180
311 : 1, 311
865 : 1, 5, 173, 865
194 : 1, 2, 97, 194
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 784,180,311,865,194, is 1.
Now, the common factors can be found like this.
784:2x 2x 2x 2x 7x 7
180:2x 2x 3x 3x 5
311:311
865:5x 173
194:2x 97
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 5 = 40
Therefore, the value for common factors is 40.
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 = 7364898979200/(1x40)
LCM = 7364898979200/40
LCM = 184122474480
Thus, we can understand that the LCM of 784,180,311,865,194 is 184122474480.
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FAQs on LCM of 784, 180, 311, 865, 194
1. What is the LCM of 784, 180, 311, 865, 194?
Answer: LCM of 784, 180, 311, 865, 194 is 184122474480.
2. How to calculate the LCM of 784, 180, 311, 865, 194?
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 784, 180, 311, 865, 194.
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}.