LCM of 660, 663, 159, 687, 247
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 660, 663, 159, 687, 247 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 660, 663, 159, 687, 247. So, keep reading to learn more.
Given numbers are 660,663,159,687,247
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 660,663,159,687,247 is 33635753580.
Find LCM of 660,663,159,687,247 with Prime Factorization
| 3 | 660, 663, 159, 687, 247 |
| 13 | 220, 221, 53, 229, 247 |
| 220, 17, 53, 229, 19 |
Multiply the prime numbers at the bottom and the left side.
3 x 13 x 220 x 17 x 53 x 229 x 19 = 33635753580
Therefore, the lowest common multiple of 660,663,159,687,247 is 33635753580.
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.
660 x 663 x 159 x 687 x 247 = 11806149506580
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.
660 : 1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660
663 : 1, 3, 13, 17, 39, 51, 221, 663
159 : 1, 3, 53, 159
687 : 1, 3, 229, 687
247 : 1, 13, 19, 247
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 660,663,159,687,247, is 1.
Now, the common factors can be found like this.
660:2x 2x 3x 5x 11
663:3x 13x 17
159:3x 53
687:3x 229
247:13x 19
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
3x 3x 3x 13 = 351
Therefore, the value for common factors is 351.
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 = 11806149506580/(1x351)
LCM = 11806149506580/351
LCM = 33635753580
Thus, we can understand that the LCM of 660,663,159,687,247 is 33635753580.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 660, 663, 159, 687, 247
1. What is the LCM of 660, 663, 159, 687, 247?
Answer: LCM of 660, 663, 159, 687, 247 is 33635753580.
2. How to calculate the LCM of 660, 663, 159, 687, 247?
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 660, 663, 159, 687, 247.
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}.