LCM of 978, 645, 484, 494
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 978, 645, 484, 494 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, 645, 484, 494. So, keep reading to learn more.
Given numbers are 978,645,484,494
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 978,645,484,494 is 12568678980.
Find LCM of 978,645,484,494 with Prime Factorization
| 2 | 978, 645, 484, 494 |
| 3 | 489, 645, 242, 247 |
| 163, 215, 242, 247 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 163 x 215 x 242 x 247 = 12568678980
Therefore, the lowest common multiple of 978,645,484,494 is 12568678980.
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 645 x 484 x 494 = 150824147760
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
645 : 1, 3, 5, 15, 43, 129, 215, 645
484 : 1, 2, 4, 11, 22, 44, 121, 242, 484
494 : 1, 2, 13, 19, 26, 38, 247, 494
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 978,645,484,494, is 1.
Now, the common factors can be found like this.
978:2x 3x 163
645:3x 5x 43
484:2x 2x 11x 11
494:2x 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.
2x 2x 3 = 12
Therefore, the value for common factors is 12.
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 = 150824147760/(1x12)
LCM = 150824147760/12
LCM = 12568678980
Thus, we can understand that the LCM of 978,645,484,494 is 12568678980.
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FAQs on LCM of 978, 645, 484, 494
1. What is the LCM of 978, 645, 484, 494?
Answer: LCM of 978, 645, 484, 494 is 12568678980.
2. How to calculate the LCM of 978, 645, 484, 494?
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, 645, 484, 494.
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}.