LCM of 721, 728, 461, 386, 461
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 721, 728, 461, 386, 461 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 721, 728, 461, 386, 461. So, keep reading to learn more.
Given numbers are 721,728,461,386,461
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 721,728,461,386,461 is 6671551432.
Find LCM of 721,728,461,386,461 with Prime Factorization
| 2 | 721, 728, 461, 386, 461 |
| 7 | 721, 364, 461, 193, 461 |
| 461 | 103, 52, 461, 193, 461 |
| 103, 52, 1, 193, 1 |
Multiply the prime numbers at the bottom and the left side.
2 x 7 x 461 x 103 x 52 x 1 x 193 x 1 = 6671551432
Therefore, the lowest common multiple of 721,728,461,386,461 is 6671551432.
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.
721 x 728 x 461 x 386 x 461 = 43058192942128
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.
721 : 1, 7, 103, 721
728 : 1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728
461 : 1, 461
386 : 1, 2, 193, 386
461 : 1, 461
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 721,728,461,386,461, is 1.
Now, the common factors can be found like this.
721:7x 103
728:2x 2x 2x 7x 13
461:461
386:2x 193
461:461
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 461 = 6454
Therefore, the value for common factors is 6454.
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 = 43058192942128/(1x6454)
LCM = 43058192942128/6454
LCM = 6671551432
Thus, we can understand that the LCM of 721,728,461,386,461 is 6671551432.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 721, 728, 461, 386, 461
1. What is the LCM of 721, 728, 461, 386, 461?
Answer: LCM of 721, 728, 461, 386, 461 is 6671551432.
2. How to calculate the LCM of 721, 728, 461, 386, 461?
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 721, 728, 461, 386, 461.
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}.