LCM of 903, 977, 905, 802, 210
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 903, 977, 905, 802, 210 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 903, 977, 905, 802, 210. So, keep reading to learn more.
Given numbers are 903,977,905,802,210
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 903,977,905,802,210 is 640332082110.
Find LCM of 903,977,905,802,210 with Prime Factorization
| 2 | 903, 977, 905, 802, 210 |
| 3 | 903, 977, 905, 401, 105 |
| 5 | 301, 977, 905, 401, 35 |
| 7 | 301, 977, 181, 401, 7 |
| 43, 977, 181, 401, 1 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 5 x 7 x 43 x 977 x 181 x 401 x 1 = 640332082110
Therefore, the lowest common multiple of 903,977,905,802,210 is 640332082110.
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.
903 x 977 x 905 x 802 x 210 = 134469737243100
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.
903 : 1, 3, 7, 21, 43, 129, 301, 903
977 : 1, 977
905 : 1, 5, 181, 905
802 : 1, 2, 401, 802
210 : 1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 903,977,905,802,210, is 1.
Now, the common factors can be found like this.
903:3x 7x 43
977:977
905:5x 181
802:2x 401
210:2x 3x 5x 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 3x 5x 7 = 210
Therefore, the value for common factors is 210.
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 = 134469737243100/(1x210)
LCM = 134469737243100/210
LCM = 640332082110
Thus, we can understand that the LCM of 903,977,905,802,210 is 640332082110.
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FAQs on LCM of 903, 977, 905, 802, 210
1. What is the LCM of 903, 977, 905, 802, 210?
Answer: LCM of 903, 977, 905, 802, 210 is 640332082110.
2. How to calculate the LCM of 903, 977, 905, 802, 210?
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 903, 977, 905, 802, 210.
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}.