LCM of 729, 578, 915, 561, 298
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 729, 578, 915, 561, 298 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 729, 578, 915, 561, 298. So, keep reading to learn more.
Given numbers are 729,578,915,561,298
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 729,578,915,561,298 is 210636756990.
Find LCM of 729,578,915,561,298 with Prime Factorization
| 2 | 729, 578, 915, 561, 298 |
| 3 | 729, 289, 915, 561, 149 |
| 17 | 243, 289, 305, 187, 149 |
| 243, 17, 305, 11, 149 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 17 x 243 x 17 x 305 x 11 x 149 = 210636756990
Therefore, the lowest common multiple of 729,578,915,561,298 is 210636756990.
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.
729 x 578 x 915 x 561 x 298 = 64454847638940
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.
729 : 1, 3, 9, 27, 81, 243, 729
578 : 1, 2, 17, 34, 289, 578
915 : 1, 3, 5, 15, 61, 183, 305, 915
561 : 1, 3, 11, 17, 33, 51, 187, 561
298 : 1, 2, 149, 298
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 729,578,915,561,298, is 1.
Now, the common factors can be found like this.
729:3x 3x 3x 3x 3x 3
578:2x 17x 17
915:3x 5x 61
561:3x 11x 17
298:2x 149
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 3x 17 = 306
Therefore, the value for common factors is 306.
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 = 64454847638940/(1x306)
LCM = 64454847638940/306
LCM = 210636756990
Thus, we can understand that the LCM of 729,578,915,561,298 is 210636756990.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 729, 578, 915, 561, 298
1. What is the LCM of 729, 578, 915, 561, 298?
Answer: LCM of 729, 578, 915, 561, 298 is 210636756990.
2. How to calculate the LCM of 729, 578, 915, 561, 298?
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 729, 578, 915, 561, 298.
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}.