LCM of 409, 759, 971, 890, 920
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 409, 759, 971, 890, 920 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 409, 759, 971, 890, 920. So, keep reading to learn more.
Given numbers are 409,759,971,890,920
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 409,759,971,890,920 is 1073085463560.
Find LCM of 409,759,971,890,920 with Prime Factorization
| 2 | 409, 759, 971, 890, 920 |
| 5 | 409, 759, 971, 445, 460 |
| 23 | 409, 759, 971, 89, 92 |
| 409, 33, 971, 89, 4 |
Multiply the prime numbers at the bottom and the left side.
2 x 5 x 23 x 409 x 33 x 971 x 89 x 4 = 1073085463560
Therefore, the lowest common multiple of 409,759,971,890,920 is 1073085463560.
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.
409 x 759 x 971 x 890 x 920 = 246809656618800
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.
409 : 1, 409
759 : 1, 3, 11, 23, 33, 69, 253, 759
971 : 1, 971
890 : 1, 2, 5, 10, 89, 178, 445, 890
920 : 1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 409,759,971,890,920, is 1.
Now, the common factors can be found like this.
409:409
759:3x 11x 23
971:971
890:2x 5x 89
920:2x 2x 2x 5x 23
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 23 = 230
Therefore, the value for common factors is 230.
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 = 246809656618800/(1x230)
LCM = 246809656618800/230
LCM = 1073085463560
Thus, we can understand that the LCM of 409,759,971,890,920 is 1073085463560.
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FAQs on LCM of 409, 759, 971, 890, 920
1. What is the LCM of 409, 759, 971, 890, 920?
Answer: LCM of 409, 759, 971, 890, 920 is 1073085463560.
2. How to calculate the LCM of 409, 759, 971, 890, 920?
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 409, 759, 971, 890, 920.
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}.