LCM of 711, 393, 651, 221, 810
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 711, 393, 651, 221, 810 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 711, 393, 651, 221, 810. So, keep reading to learn more.
Given numbers are 711,393,651,221,810
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 711,393,651,221,810 is 402008664330.
Find LCM of 711,393,651,221,810 with Prime Factorization
| 3 | 711, 393, 651, 221, 810 |
| 3 | 237, 131, 217, 221, 270 |
| 79, 131, 217, 221, 90 |
Multiply the prime numbers at the bottom and the left side.
3 x 3 x 79 x 131 x 217 x 221 x 90 = 402008664330
Therefore, the lowest common multiple of 711,393,651,221,810 is 402008664330.
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.
711 x 393 x 651 x 221 x 810 = 32562701810730
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.
711 : 1, 3, 9, 79, 237, 711
393 : 1, 3, 131, 393
651 : 1, 3, 7, 21, 31, 93, 217, 651
221 : 1, 13, 17, 221
810 : 1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 711,393,651,221,810, is 1.
Now, the common factors can be found like this.
711:3x 3x 79
393:3x 131
651:3x 7x 31
221:13x 17
810:2x 3x 3x 3x 3x 5
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 3x 3 = 81
Therefore, the value for common factors is 81.
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 = 32562701810730/(1x81)
LCM = 32562701810730/81
LCM = 402008664330
Thus, we can understand that the LCM of 711,393,651,221,810 is 402008664330.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 711, 393, 651, 221, 810
1. What is the LCM of 711, 393, 651, 221, 810?
Answer: LCM of 711, 393, 651, 221, 810 is 402008664330.
2. How to calculate the LCM of 711, 393, 651, 221, 810?
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 711, 393, 651, 221, 810.
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}.