LCM of 805, 153, 395, 644, 711
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 805, 153, 395, 644, 711 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 805, 153, 395, 644, 711. So, keep reading to learn more.
Given numbers are 805,153,395,644,711
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 805,153,395,644,711 is 38920140.
Find LCM of 805,153,395,644,711 with Prime Factorization
| 3 | 805, 153, 395, 644, 711 |
| 3 | 805, 51, 395, 644, 237 |
| 5 | 805, 17, 395, 644, 79 |
| 7 | 161, 17, 79, 644, 79 |
| 23 | 23, 17, 79, 92, 79 |
| 79 | 1, 17, 79, 4, 79 |
| 1, 17, 1, 4, 1 |
Multiply the prime numbers at the bottom and the left side.
3 x 3 x 5 x 7 x 23 x 79 x 1 x 17 x 1 x 4 x 1 = 38920140
Therefore, the lowest common multiple of 805,153,395,644,711 is 38920140.
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.
805 x 153 x 395 x 644 x 711 = 22276136729700
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.
805 : 1, 5, 7, 23, 35, 115, 161, 805
153 : 1, 3, 9, 17, 51, 153
395 : 1, 5, 79, 395
644 : 1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644
711 : 1, 3, 9, 79, 237, 711
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 805,153,395,644,711, is 1.
Now, the common factors can be found like this.
805:5x 7x 23
153:3x 3x 17
395:5x 79
644:2x 2x 7x 23
711:3x 3x 79
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
3x 3x 5x 7x 23x 79 = 572355
Therefore, the value for common factors is 572355.
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 = 22276136729700/(1x572355)
LCM = 22276136729700/572355
LCM = 38920140
Thus, we can understand that the LCM of 805,153,395,644,711 is 38920140.
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FAQs on LCM of 805, 153, 395, 644, 711
1. What is the LCM of 805, 153, 395, 644, 711?
Answer: LCM of 805, 153, 395, 644, 711 is 38920140.
2. How to calculate the LCM of 805, 153, 395, 644, 711?
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 805, 153, 395, 644, 711.
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}.