LCM of 978, 292, 838
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 978, 292, 838 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 978, 292, 838. So, keep reading to learn more.
Given numbers are 978,292,838
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 978,292,838 is 59828172.
Find LCM of 978,292,838 with Prime Factorization
| 2 | 978, 292, 838 |
| 489, 146, 419 |
Multiply the prime numbers at the bottom and the left side.
2 x 489 x 146 x 419 = 59828172
Therefore, the lowest common multiple of 978,292,838 is 59828172.
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.
978 x 292 x 838 = 239312688
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.
978 : 1, 2, 3, 6, 163, 326, 489, 978
292 : 1, 2, 4, 73, 146, 292
838 : 1, 2, 419, 838
2 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 978,292,838, is 2.
Now, the common factors can be found like this.
978:2x 3x 163
292:2x 2x 73
838:2x 419
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
2 = 2
Therefore, the value for common factors is 2.
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 = 239312688/(2x2)
LCM = 239312688/4
LCM = 59828172
Thus, we can understand that the LCM of 978,292,838 is 59828172.
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FAQs on LCM of 978, 292, 838
1. What is the LCM of 978, 292, 838?
Answer: LCM of 978, 292, 838 is 59828172.
2. How to calculate the LCM of 978, 292, 838?
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 978, 292, 838.
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}.