LCM of 85, 33, 68, 16, 561
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 85, 33, 68, 16, 561 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 85, 33, 68, 16, 561. So, keep reading to learn more.
Given numbers are 85,33,68,16,561
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 85,33,68,16,561 is 44880.
Find LCM of 85,33,68,16,561 with Prime Factorization
| 2 | 85, 33, 68, 16, 561 |
| 2 | 85, 33, 34, 8, 561 |
| 3 | 85, 33, 17, 4, 561 |
| 11 | 85, 11, 17, 4, 187 |
| 17 | 85, 1, 17, 4, 17 |
| 5, 1, 1, 4, 1 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 3 x 11 x 17 x 5 x 1 x 1 x 4 x 1 = 44880
Therefore, the lowest common multiple of 85,33,68,16,561 is 44880.
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.
85 x 33 x 68 x 16 x 561 = 1712082240
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.
85 : 1, 5, 17, 85
33 : 1, 3, 11, 33
68 : 1, 2, 4, 17, 34, 68
16 : 1, 2, 4, 8, 16
561 : 1, 3, 11, 17, 33, 51, 187, 561
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 85,33,68,16,561, is 1.
Now, the common factors can be found like this.
85:5x 17
33:3x 11
68:2x 2x 17
16:2x 2x 2x 2
561:3x 11x 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 2x 3x 11x 17x 17 = 38148
Therefore, the value for common factors is 38148.
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 = 1712082240/(1x38148)
LCM = 1712082240/38148
LCM = 44880
Thus, we can understand that the LCM of 85,33,68,16,561 is 44880.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 85, 33, 68, 16, 561
1. What is the LCM of 85, 33, 68, 16, 561?
Answer: LCM of 85, 33, 68, 16, 561 is 44880.
2. How to calculate the LCM of 85, 33, 68, 16, 561?
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 85, 33, 68, 16, 561.
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}.