LCM of 792, 770, 721, 867
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 792, 770, 721, 867 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 792, 770, 721, 867. So, keep reading to learn more.
Given numbers are 792,770,721,867
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 792,770,721,867 is 825141240.
Find LCM of 792,770,721,867 with Prime Factorization
| 2 | 792, 770, 721, 867 |
| 3 | 396, 385, 721, 867 |
| 7 | 132, 385, 721, 289 |
| 11 | 132, 55, 103, 289 |
| 12, 5, 103, 289 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 7 x 11 x 12 x 5 x 103 x 289 = 825141240
Therefore, the lowest common multiple of 792,770,721,867 is 825141240.
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.
792 x 770 x 721 x 867 = 381215252880
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.
792 : 1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 198, 264, 396, 792
770 : 1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770
721 : 1, 7, 103, 721
867 : 1, 3, 17, 51, 289, 867
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 792,770,721,867, is 1.
Now, the common factors can be found like this.
792:2x 2x 2x 3x 3x 11
770:2x 5x 7x 11
721:7x 103
867:3x 17x 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 3x 7x 11 = 462
Therefore, the value for common factors is 462.
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 = 381215252880/(1x462)
LCM = 381215252880/462
LCM = 825141240
Thus, we can understand that the LCM of 792,770,721,867 is 825141240.
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FAQs on LCM of 792, 770, 721, 867
1. What is the LCM of 792, 770, 721, 867?
Answer: LCM of 792, 770, 721, 867 is 825141240.
2. How to calculate the LCM of 792, 770, 721, 867?
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 792, 770, 721, 867.
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}.