LCM of 478, 120, 681, 792
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 478, 120, 681, 792 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 478, 120, 681, 792. So, keep reading to learn more.
Given numbers are 478,120,681,792
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 478,120,681,792 is 214841880.
Find LCM of 478,120,681,792 with Prime Factorization
| 2 | 478, 120, 681, 792 |
| 2 | 239, 60, 681, 396 |
| 2 | 239, 30, 681, 198 |
| 3 | 239, 15, 681, 99 |
| 239, 5, 227, 33 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 2 x 3 x 239 x 5 x 227 x 33 = 214841880
Therefore, the lowest common multiple of 478,120,681,792 is 214841880.
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.
478 x 120 x 681 x 792 = 30937230720
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.
478 : 1, 2, 239, 478
120 : 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120
681 : 1, 3, 227, 681
792 : 1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 198, 264, 396, 792
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 478,120,681,792, is 1.
Now, the common factors can be found like this.
478:2x 239
120:2x 2x 2x 3x 5
681:3x 227
792:2x 2x 2x 3x 3x 11
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 2x 2x 3x 3 = 144
Therefore, the value for common factors is 144.
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 = 30937230720/(1x144)
LCM = 30937230720/144
LCM = 214841880
Thus, we can understand that the LCM of 478,120,681,792 is 214841880.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 478, 120, 681, 792
1. What is the LCM of 478, 120, 681, 792?
Answer: LCM of 478, 120, 681, 792 is 214841880.
2. How to calculate the LCM of 478, 120, 681, 792?
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 478, 120, 681, 792.
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}.