LCM of 991, 805, 833, 663, 705
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 991, 805, 833, 663, 705 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 991, 805, 833, 663, 705. So, keep reading to learn more.
Given numbers are 991,805,833,663,705
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 991,805,833,663,705 is 174011904885.
Find LCM of 991,805,833,663,705 with Prime Factorization
| 3 | 991, 805, 833, 663, 705 |
| 5 | 991, 805, 833, 221, 235 |
| 7 | 991, 161, 833, 221, 47 |
| 17 | 991, 23, 119, 221, 47 |
| 991, 23, 7, 13, 47 |
Multiply the prime numbers at the bottom and the left side.
3 x 5 x 7 x 17 x 991 x 23 x 7 x 13 x 47 = 174011904885
Therefore, the lowest common multiple of 991,805,833,663,705 is 174011904885.
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.
991 x 805 x 833 x 663 x 705 = 310611250219725
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.
991 : 1, 991
805 : 1, 5, 7, 23, 35, 115, 161, 805
833 : 1, 7, 17, 49, 119, 833
663 : 1, 3, 13, 17, 39, 51, 221, 663
705 : 1, 3, 5, 15, 47, 141, 235, 705
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 991,805,833,663,705, is 1.
Now, the common factors can be found like this.
991:991
805:5x 7x 23
833:7x 7x 17
663:3x 13x 17
705:3x 5x 47
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
3x 5x 7x 17 = 1785
Therefore, the value for common factors is 1785.
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 = 310611250219725/(1x1785)
LCM = 310611250219725/1785
LCM = 174011904885
Thus, we can understand that the LCM of 991,805,833,663,705 is 174011904885.
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FAQs on LCM of 991, 805, 833, 663, 705
1. What is the LCM of 991, 805, 833, 663, 705?
Answer: LCM of 991, 805, 833, 663, 705 is 174011904885.
2. How to calculate the LCM of 991, 805, 833, 663, 705?
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 991, 805, 833, 663, 705.
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}.