LCM of 851, 290, 490, 979, 168
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 851, 290, 490, 979, 168 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 851, 290, 490, 979, 168. So, keep reading to learn more.
Given numbers are 851,290,490,979,168
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 851,290,490,979,168 is 142065157080.
Find LCM of 851,290,490,979,168 with Prime Factorization
| 2 | 851, 290, 490, 979, 168 |
| 5 | 851, 145, 245, 979, 84 |
| 7 | 851, 29, 49, 979, 84 |
| 851, 29, 7, 979, 12 |
Multiply the prime numbers at the bottom and the left side.
2 x 5 x 7 x 851 x 29 x 7 x 979 x 12 = 142065157080
Therefore, the lowest common multiple of 851,290,490,979,168 is 142065157080.
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.
851 x 290 x 490 x 979 x 168 = 19889121991200
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.
851 : 1, 23, 37, 851
290 : 1, 2, 5, 10, 29, 58, 145, 290
490 : 1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490
979 : 1, 11, 89, 979
168 : 1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 851,290,490,979,168, is 1.
Now, the common factors can be found like this.
851:23x 37
290:2x 5x 29
490:2x 5x 7x 7
979:11x 89
168:2x 2x 2x 3x 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 5x 7 = 140
Therefore, the value for common factors is 140.
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 = 19889121991200/(1x140)
LCM = 19889121991200/140
LCM = 142065157080
Thus, we can understand that the LCM of 851,290,490,979,168 is 142065157080.
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FAQs on LCM of 851, 290, 490, 979, 168
1. What is the LCM of 851, 290, 490, 979, 168?
Answer: LCM of 851, 290, 490, 979, 168 is 142065157080.
2. How to calculate the LCM of 851, 290, 490, 979, 168?
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 851, 290, 490, 979, 168.
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}.