LCM of 781, 551, 726, 418
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 781, 551, 726, 418 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 781, 551, 726, 418. So, keep reading to learn more.
Given numbers are 781,551,726,418
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 781,551,726,418 is 28401846.
Find LCM of 781,551,726,418 with Prime Factorization
| 2 | 781, 551, 726, 418 |
| 11 | 781, 551, 363, 209 |
| 19 | 71, 551, 33, 19 |
| 71, 29, 33, 1 |
Multiply the prime numbers at the bottom and the left side.
2 x 11 x 19 x 71 x 29 x 33 x 1 = 28401846
Therefore, the lowest common multiple of 781,551,726,418 is 28401846.
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.
781 x 551 x 726 x 418 = 130591687908
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.
781 : 1, 11, 71, 781
551 : 1, 19, 29, 551
726 : 1, 2, 3, 6, 11, 22, 33, 66, 121, 242, 363, 726
418 : 1, 2, 11, 19, 22, 38, 209, 418
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 781,551,726,418, is 1.
Now, the common factors can be found like this.
781:11x 71
551:19x 29
726:2x 3x 11x 11
418:2x 11x 19
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
2x 11x 11x 19 = 4598
Therefore, the value for common factors is 4598.
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 = 130591687908/(1x4598)
LCM = 130591687908/4598
LCM = 28401846
Thus, we can understand that the LCM of 781,551,726,418 is 28401846.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 781, 551, 726, 418
1. What is the LCM of 781, 551, 726, 418?
Answer: LCM of 781, 551, 726, 418 is 28401846.
2. How to calculate the LCM of 781, 551, 726, 418?
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 781, 551, 726, 418.
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}.