LCM of 863, 218, 299, 972, 784
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 863, 218, 299, 972, 784 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 863, 218, 299, 972, 784. So, keep reading to learn more.
Given numbers are 863,218,299,972,784
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 863,218,299,972,784 is 5358346798896.
Find LCM of 863,218,299,972,784 with Prime Factorization
| 2 | 863, 218, 299, 972, 784 |
| 2 | 863, 109, 299, 486, 392 |
| 863, 109, 299, 243, 196 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 863 x 109 x 299 x 243 x 196 = 5358346798896
Therefore, the lowest common multiple of 863,218,299,972,784 is 5358346798896.
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.
863 x 218 x 299 x 972 x 784 = 42866774391168
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.
863 : 1, 863
218 : 1, 2, 109, 218
299 : 1, 13, 23, 299
972 : 1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972
784 : 1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 863,218,299,972,784, is 1.
Now, the common factors can be found like this.
863:863
218:2x 109
299:13x 23
972:2x 2x 3x 3x 3x 3x 3
784:2x 2x 2x 2x 7x 7
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 2 = 8
Therefore, the value for common factors is 8.
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 = 42866774391168/(1x8)
LCM = 42866774391168/8
LCM = 5358346798896
Thus, we can understand that the LCM of 863,218,299,972,784 is 5358346798896.
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FAQs on LCM of 863, 218, 299, 972, 784
1. What is the LCM of 863, 218, 299, 972, 784?
Answer: LCM of 863, 218, 299, 972, 784 is 5358346798896.
2. How to calculate the LCM of 863, 218, 299, 972, 784?
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 863, 218, 299, 972, 784.
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}.