LCM of 561, 572, 540, 531
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 561, 572, 540, 531 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 561, 572, 540, 531. So, keep reading to learn more.
Given numbers are 561,572,540,531
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 561,572,540,531 is 77451660.
Find LCM of 561,572,540,531 with Prime Factorization
| 2 | 561, 572, 540, 531 |
| 2 | 561, 286, 270, 531 |
| 3 | 561, 143, 135, 531 |
| 3 | 187, 143, 45, 177 |
| 11 | 187, 143, 15, 59 |
| 17, 13, 15, 59 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 3 x 3 x 11 x 17 x 13 x 15 x 59 = 77451660
Therefore, the lowest common multiple of 561,572,540,531 is 77451660.
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.
561 x 572 x 540 x 531 = 92012572080
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.
561 : 1, 3, 11, 17, 33, 51, 187, 561
572 : 1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572
540 : 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540
531 : 1, 3, 9, 59, 177, 531
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 561,572,540,531, is 1.
Now, the common factors can be found like this.
561:3x 11x 17
572:2x 2x 11x 13
540:2x 2x 3x 3x 3x 5
531:3x 3x 59
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 3x 3x 3x 11 = 1188
Therefore, the value for common factors is 1188.
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 = 92012572080/(1x1188)
LCM = 92012572080/1188
LCM = 77451660
Thus, we can understand that the LCM of 561,572,540,531 is 77451660.
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FAQs on LCM of 561, 572, 540, 531
1. What is the LCM of 561, 572, 540, 531?
Answer: LCM of 561, 572, 540, 531 is 77451660.
2. How to calculate the LCM of 561, 572, 540, 531?
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 561, 572, 540, 531.
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}.