LCM of 680, 961, 284, 855, 718
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 680, 961, 284, 855, 718 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 680, 961, 284, 855, 718. So, keep reading to learn more.
Given numbers are 680,961,284,855,718
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 680,961,284,855,718 is 2848270344120.
Find LCM of 680,961,284,855,718 with Prime Factorization
| 2 | 680, 961, 284, 855, 718 |
| 2 | 340, 961, 142, 855, 359 |
| 5 | 170, 961, 71, 855, 359 |
| 34, 961, 71, 171, 359 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 5 x 34 x 961 x 71 x 171 x 359 = 2848270344120
Therefore, the lowest common multiple of 680,961,284,855,718 is 2848270344120.
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.
680 x 961 x 284 x 855 x 718 = 113930813764800
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.
680 : 1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680
961 : 1, 31, 961
284 : 1, 2, 4, 71, 142, 284
855 : 1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855
718 : 1, 2, 359, 718
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 680,961,284,855,718, is 1.
Now, the common factors can be found like this.
680:2x 2x 2x 5x 17
961:31x 31
284:2x 2x 71
855:3x 3x 5x 19
718:2x 359
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 5 = 40
Therefore, the value for common factors is 40.
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 = 113930813764800/(1x40)
LCM = 113930813764800/40
LCM = 2848270344120
Thus, we can understand that the LCM of 680,961,284,855,718 is 2848270344120.
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FAQs on LCM of 680, 961, 284, 855, 718
1. What is the LCM of 680, 961, 284, 855, 718?
Answer: LCM of 680, 961, 284, 855, 718 is 2848270344120.
2. How to calculate the LCM of 680, 961, 284, 855, 718?
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 680, 961, 284, 855, 718.
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}.