LCM of 781, 248, 884, 685, 814
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 781, 248, 884, 685, 814 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, 248, 884, 685, 814. So, keep reading to learn more.
Given numbers are 781,248,884,685,814
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 781,248,884,685,814 is 1084893941560.
Find LCM of 781,248,884,685,814 with Prime Factorization
| 2 | 781, 248, 884, 685, 814 |
| 2 | 781, 124, 442, 685, 407 |
| 11 | 781, 62, 221, 685, 407 |
| 71, 62, 221, 685, 37 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 11 x 71 x 62 x 221 x 685 x 37 = 1084893941560
Therefore, the lowest common multiple of 781,248,884,685,814 is 1084893941560.
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 248 x 884 x 685 x 814 = 95470666857280
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
248 : 1, 2, 4, 8, 31, 62, 124, 248
884 : 1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884
685 : 1, 5, 137, 685
814 : 1, 2, 11, 22, 37, 74, 407, 814
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 781,248,884,685,814, is 1.
Now, the common factors can be found like this.
781:11x 71
248:2x 2x 2x 31
884:2x 2x 13x 17
685:5x 137
814:2x 11x 37
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
2x 2x 2x 11 = 88
Therefore, the value for common factors is 88.
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 = 95470666857280/(1x88)
LCM = 95470666857280/88
LCM = 1084893941560
Thus, we can understand that the LCM of 781,248,884,685,814 is 1084893941560.
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FAQs on LCM of 781, 248, 884, 685, 814
1. What is the LCM of 781, 248, 884, 685, 814?
Answer: LCM of 781, 248, 884, 685, 814 is 1084893941560.
2. How to calculate the LCM of 781, 248, 884, 685, 814?
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, 248, 884, 685, 814.
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}.