LCM of 788, 393, 687, 434, 476
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 788, 393, 687, 434, 476 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 788, 393, 687, 434, 476. So, keep reading to learn more.
Given numbers are 788,393,687,434,476
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 788,393,687,434,476 is 261615159204.
Find LCM of 788,393,687,434,476 with Prime Factorization
| 2 | 788, 393, 687, 434, 476 |
| 2 | 394, 393, 687, 217, 238 |
| 3 | 197, 393, 687, 217, 119 |
| 7 | 197, 131, 229, 217, 119 |
| 197, 131, 229, 31, 17 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 3 x 7 x 197 x 131 x 229 x 31 x 17 = 261615159204
Therefore, the lowest common multiple of 788,393,687,434,476 is 261615159204.
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.
788 x 393 x 687 x 434 x 476 = 43951346746272
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.
788 : 1, 2, 4, 197, 394, 788
393 : 1, 3, 131, 393
687 : 1, 3, 229, 687
434 : 1, 2, 7, 14, 31, 62, 217, 434
476 : 1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 788,393,687,434,476, is 1.
Now, the common factors can be found like this.
788:2x 2x 197
393:3x 131
687:3x 229
434:2x 7x 31
476:2x 2x 7x 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 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 = 43951346746272/(1x168)
LCM = 43951346746272/168
LCM = 261615159204
Thus, we can understand that the LCM of 788,393,687,434,476 is 261615159204.
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FAQs on LCM of 788, 393, 687, 434, 476
1. What is the LCM of 788, 393, 687, 434, 476?
Answer: LCM of 788, 393, 687, 434, 476 is 261615159204.
2. How to calculate the LCM of 788, 393, 687, 434, 476?
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 788, 393, 687, 434, 476.
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}.