LCM of 819, 805, 551, 776, 969
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 819, 805, 551, 776, 969 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 819, 805, 551, 776, 969. So, keep reading to learn more.
Given numbers are 819,805,551,776,969
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 819,805,551,776,969 is 684611174520.
Find LCM of 819,805,551,776,969 with Prime Factorization
| 3 | 819, 805, 551, 776, 969 |
| 7 | 273, 805, 551, 776, 323 |
| 19 | 39, 115, 551, 776, 323 |
| 39, 115, 29, 776, 17 |
Multiply the prime numbers at the bottom and the left side.
3 x 7 x 19 x 39 x 115 x 29 x 776 x 17 = 684611174520
Therefore, the lowest common multiple of 819,805,551,776,969 is 684611174520.
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.
819 x 805 x 551 x 776 x 969 = 273159858633480
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.
819 : 1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819
805 : 1, 5, 7, 23, 35, 115, 161, 805
551 : 1, 19, 29, 551
776 : 1, 2, 4, 8, 97, 194, 388, 776
969 : 1, 3, 17, 19, 51, 57, 323, 969
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 819,805,551,776,969, is 1.
Now, the common factors can be found like this.
819:3x 3x 7x 13
805:5x 7x 23
551:19x 29
776:2x 2x 2x 97
969:3x 17x 19
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
3x 7x 19 = 399
Therefore, the value for common factors is 399.
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 = 273159858633480/(1x399)
LCM = 273159858633480/399
LCM = 684611174520
Thus, we can understand that the LCM of 819,805,551,776,969 is 684611174520.
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FAQs on LCM of 819, 805, 551, 776, 969
1. What is the LCM of 819, 805, 551, 776, 969?
Answer: LCM of 819, 805, 551, 776, 969 is 684611174520.
2. How to calculate the LCM of 819, 805, 551, 776, 969?
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 819, 805, 551, 776, 969.
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}.