LCM of 891, 499, 731, 700, 688
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 891, 499, 731, 700, 688 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 891, 499, 731, 700, 688. So, keep reading to learn more.
Given numbers are 891,499,731,700,688
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 891,499,731,700,688 is 910025701200.
Find LCM of 891,499,731,700,688 with Prime Factorization
| 2 | 891, 499, 731, 700, 688 |
| 2 | 891, 499, 731, 350, 344 |
| 43 | 891, 499, 731, 175, 172 |
| 891, 499, 17, 175, 4 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 43 x 891 x 499 x 17 x 175 x 4 = 910025701200
Therefore, the lowest common multiple of 891,499,731,700,688 is 910025701200.
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.
891 x 499 x 731 x 700 x 688 = 156524420606400
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.
891 : 1, 3, 9, 11, 27, 33, 81, 99, 297, 891
499 : 1, 499
731 : 1, 17, 43, 731
700 : 1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700
688 : 1, 2, 4, 8, 16, 43, 86, 172, 344, 688
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 891,499,731,700,688, is 1.
Now, the common factors can be found like this.
891:3x 3x 3x 3x 11
499:499
731:17x 43
700:2x 2x 5x 5x 7
688:2x 2x 2x 2x 43
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 43 = 172
Therefore, the value for common factors is 172.
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 = 156524420606400/(1x172)
LCM = 156524420606400/172
LCM = 910025701200
Thus, we can understand that the LCM of 891,499,731,700,688 is 910025701200.
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FAQs on LCM of 891, 499, 731, 700, 688
1. What is the LCM of 891, 499, 731, 700, 688?
Answer: LCM of 891, 499, 731, 700, 688 is 910025701200.
2. How to calculate the LCM of 891, 499, 731, 700, 688?
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 891, 499, 731, 700, 688.
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}.