LCM of 887, 721, 686, 721
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 887, 721, 686, 721 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 887, 721, 686, 721. So, keep reading to learn more.
Given numbers are 887,721,686,721
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 887,721,686,721 is 62673646.
Find LCM of 887,721,686,721 with Prime Factorization
| 7 | 887, 721, 686, 721 |
| 103 | 887, 103, 98, 103 |
| 887, 1, 98, 1 |
Multiply the prime numbers at the bottom and the left side.
7 x 103 x 887 x 1 x 98 x 1 = 62673646
Therefore, the lowest common multiple of 887,721,686,721 is 62673646.
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.
887 x 721 x 686 x 721 = 316313891362
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.
887 : 1, 887
721 : 1, 7, 103, 721
686 : 1, 2, 7, 14, 49, 98, 343, 686
721 : 1, 7, 103, 721
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 887,721,686,721, is 1.
Now, the common factors can be found like this.
887:887
721:7x 103
686:2x 7x 7x 7
721:7x 103
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
7x 7x 103 = 5047
Therefore, the value for common factors is 5047.
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 = 316313891362/(1x5047)
LCM = 316313891362/5047
LCM = 62673646
Thus, we can understand that the LCM of 887,721,686,721 is 62673646.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 887, 721, 686, 721
1. What is the LCM of 887, 721, 686, 721?
Answer: LCM of 887, 721, 686, 721 is 62673646.
2. How to calculate the LCM of 887, 721, 686, 721?
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 887, 721, 686, 721.
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}.