LCM of 649, 842, 189, 729
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 649, 842, 189, 729 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 649, 842, 189, 729. So, keep reading to learn more.
Given numbers are 649,842,189,729
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 649,842,189,729 is 2788575174.
Find LCM of 649,842,189,729 with Prime Factorization
| 3 | 649, 842, 189, 729 |
| 3 | 649, 842, 63, 243 |
| 3 | 649, 842, 21, 81 |
| 649, 842, 7, 27 |
Multiply the prime numbers at the bottom and the left side.
3 x 3 x 3 x 649 x 842 x 7 x 27 = 2788575174
Therefore, the lowest common multiple of 649,842,189,729 is 2788575174.
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.
649 x 842 x 189 x 729 = 75291529698
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.
649 : 1, 11, 59, 649
842 : 1, 2, 421, 842
189 : 1, 3, 7, 9, 21, 27, 63, 189
729 : 1, 3, 9, 27, 81, 243, 729
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 649,842,189,729, is 1.
Now, the common factors can be found like this.
649:11x 59
842:2x 421
189:3x 3x 3x 7
729:3x 3x 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.
3x 3x 3 = 27
Therefore, the value for common factors is 27.
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 = 75291529698/(1x27)
LCM = 75291529698/27
LCM = 2788575174
Thus, we can understand that the LCM of 649,842,189,729 is 2788575174.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 649, 842, 189, 729
1. What is the LCM of 649, 842, 189, 729?
Answer: LCM of 649, 842, 189, 729 is 2788575174.
2. How to calculate the LCM of 649, 842, 189, 729?
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 649, 842, 189, 729.
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}.