LCM of 690, 571, 231, 648
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 690, 571, 231, 648 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 690, 571, 231, 648. So, keep reading to learn more.
Given numbers are 690,571,231,648
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 690,571,231,648 is 3276420840.
Find LCM of 690,571,231,648 with Prime Factorization
| 2 | 690, 571, 231, 648 |
| 3 | 345, 571, 231, 324 |
| 115, 571, 77, 108 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 115 x 571 x 77 x 108 = 3276420840
Therefore, the lowest common multiple of 690,571,231,648 is 3276420840.
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.
690 x 571 x 231 x 648 = 58975575120
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.
690 : 1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690
571 : 1, 571
231 : 1, 3, 7, 11, 21, 33, 77, 231
648 : 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 690,571,231,648, is 1.
Now, the common factors can be found like this.
690:2x 3x 5x 23
571:571
231:3x 7x 11
648:2x 2x 2x 3x 3x 3x 3
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 3 = 18
Therefore, the value for common factors is 18.
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 = 58975575120/(1x18)
LCM = 58975575120/18
LCM = 3276420840
Thus, we can understand that the LCM of 690,571,231,648 is 3276420840.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 690, 571, 231, 648
1. What is the LCM of 690, 571, 231, 648?
Answer: LCM of 690, 571, 231, 648 is 3276420840.
2. How to calculate the LCM of 690, 571, 231, 648?
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 690, 571, 231, 648.
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}.