LCM of 410, 820, 390, 980
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 410, 820, 390, 980 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 410, 820, 390, 980. So, keep reading to learn more.
Given numbers are 410,820,390,980
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 410,820,390,980 is 1567020.
Find LCM of 410,820,390,980 with Prime Factorization
| 2 | 410, 820, 390, 980 |
| 2 | 205, 410, 195, 490 |
| 5 | 205, 205, 195, 245 |
| 41 | 41, 41, 39, 49 |
| 1, 1, 39, 49 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 5 x 41 x 1 x 1 x 39 x 49 = 1567020
Therefore, the lowest common multiple of 410,820,390,980 is 1567020.
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.
410 x 820 x 390 x 980 = 128495640000
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.
410 : 1, 2, 5, 10, 41, 82, 205, 410
820 : 1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820
390 : 1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390
980 : 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980
10 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 410,820,390,980, is 10.
Now, the common factors can be found like this.
410:2x 5x 41
820:2x 2x 5x 41
390:2x 3x 5x 13
980:2x 2x 5x 7x 7
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 5x 5x 41 = 8200
Therefore, the value for common factors is 8200.
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 = 128495640000/(10x8200)
LCM = 128495640000/82000
LCM = 1567020
Thus, we can understand that the LCM of 410,820,390,980 is 1567020.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 410, 820, 390, 980
1. What is the LCM of 410, 820, 390, 980?
Answer: LCM of 410, 820, 390, 980 is 1567020.
2. How to calculate the LCM of 410, 820, 390, 980?
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 410, 820, 390, 980.
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}.