LCM of 784, 571, 909, 651, 549
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 784, 571, 909, 651, 549 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 784, 571, 909, 651, 549. So, keep reading to learn more.
Given numbers are 784,571,909,651,549
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 784,571,909,651,549 is 769498155216.
Find LCM of 784,571,909,651,549 with Prime Factorization
| 3 | 784, 571, 909, 651, 549 |
| 3 | 784, 571, 303, 217, 183 |
| 7 | 784, 571, 101, 217, 61 |
| 112, 571, 101, 31, 61 |
Multiply the prime numbers at the bottom and the left side.
3 x 3 x 7 x 112 x 571 x 101 x 31 x 61 = 769498155216
Therefore, the lowest common multiple of 784,571,909,651,549 is 769498155216.
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.
784 x 571 x 909 x 651 x 549 = 145435151335824
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.
784 : 1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784
571 : 1, 571
909 : 1, 3, 9, 101, 303, 909
651 : 1, 3, 7, 21, 31, 93, 217, 651
549 : 1, 3, 9, 61, 183, 549
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 784,571,909,651,549, is 1.
Now, the common factors can be found like this.
784:2x 2x 2x 2x 7x 7
571:571
909:3x 3x 101
651:3x 7x 31
549:3x 3x 61
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 7 = 189
Therefore, the value for common factors is 189.
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 = 145435151335824/(1x189)
LCM = 145435151335824/189
LCM = 769498155216
Thus, we can understand that the LCM of 784,571,909,651,549 is 769498155216.
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FAQs on LCM of 784, 571, 909, 651, 549
1. What is the LCM of 784, 571, 909, 651, 549?
Answer: LCM of 784, 571, 909, 651, 549 is 769498155216.
2. How to calculate the LCM of 784, 571, 909, 651, 549?
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 784, 571, 909, 651, 549.
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}.