LCM of 723, 390, 844, 782, 772
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 723, 390, 844, 782, 772 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 723, 390, 844, 782, 772. So, keep reading to learn more.
Given numbers are 723,390,844,782,772
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 723,390,844,782,772 is 2993147830140.
Find LCM of 723,390,844,782,772 with Prime Factorization
| 2 | 723, 390, 844, 782, 772 |
| 2 | 723, 195, 422, 391, 386 |
| 3 | 723, 195, 211, 391, 193 |
| 241, 65, 211, 391, 193 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 3 x 241 x 65 x 211 x 391 x 193 = 2993147830140
Therefore, the lowest common multiple of 723,390,844,782,772 is 2993147830140.
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.
723 x 390 x 844 x 782 x 772 = 143671095846720
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.
723 : 1, 3, 241, 723
390 : 1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390
844 : 1, 2, 4, 211, 422, 844
782 : 1, 2, 17, 23, 34, 46, 391, 782
772 : 1, 2, 4, 193, 386, 772
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 723,390,844,782,772, is 1.
Now, the common factors can be found like this.
723:3x 241
390:2x 3x 5x 13
844:2x 2x 211
782:2x 17x 23
772:2x 2x 193
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 2x 3 = 48
Therefore, the value for common factors is 48.
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 = 143671095846720/(1x48)
LCM = 143671095846720/48
LCM = 2993147830140
Thus, we can understand that the LCM of 723,390,844,782,772 is 2993147830140.
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FAQs on LCM of 723, 390, 844, 782, 772
1. What is the LCM of 723, 390, 844, 782, 772?
Answer: LCM of 723, 390, 844, 782, 772 is 2993147830140.
2. How to calculate the LCM of 723, 390, 844, 782, 772?
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 723, 390, 844, 782, 772.
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}.