LCM of 985, 515, 731, 946, 220
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 985, 515, 731, 946, 220 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 985, 515, 731, 946, 220. So, keep reading to learn more.
Given numbers are 985,515,731,946,220
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 985,515,731,946,220 is 3263198620.
Find LCM of 985,515,731,946,220 with Prime Factorization
| 2 | 985, 515, 731, 946, 220 |
| 5 | 985, 515, 731, 473, 110 |
| 11 | 197, 103, 731, 473, 22 |
| 43 | 197, 103, 731, 43, 2 |
| 197, 103, 17, 1, 2 |
Multiply the prime numbers at the bottom and the left side.
2 x 5 x 11 x 43 x 197 x 103 x 17 x 1 x 2 = 3263198620
Therefore, the lowest common multiple of 985,515,731,946,220 is 3263198620.
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.
985 x 515 x 731 x 946 x 220 = 77174647363000
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.
985 : 1, 5, 197, 985
515 : 1, 5, 103, 515
731 : 1, 17, 43, 731
946 : 1, 2, 11, 22, 43, 86, 473, 946
220 : 1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 985,515,731,946,220, is 1.
Now, the common factors can be found like this.
985:5x 197
515:5x 103
731:17x 43
946:2x 11x 43
220:2x 2x 5x 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 5x 5x 11x 43 = 23650
Therefore, the value for common factors is 23650.
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 = 77174647363000/(1x23650)
LCM = 77174647363000/23650
LCM = 3263198620
Thus, we can understand that the LCM of 985,515,731,946,220 is 3263198620.
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FAQs on LCM of 985, 515, 731, 946, 220
1. What is the LCM of 985, 515, 731, 946, 220?
Answer: LCM of 985, 515, 731, 946, 220 is 3263198620.
2. How to calculate the LCM of 985, 515, 731, 946, 220?
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 985, 515, 731, 946, 220.
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}.