LCM of 840, 746, 917, 219, 543
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 840, 746, 917, 219, 543 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 840, 746, 917, 219, 543. So, keep reading to learn more.
Given numbers are 840,746,917,219,543
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 840,746,917,219,543 is 542326527960.
Find LCM of 840,746,917,219,543 with Prime Factorization
| 2 | 840, 746, 917, 219, 543 |
| 3 | 420, 373, 917, 219, 543 |
| 7 | 140, 373, 917, 73, 181 |
| 20, 373, 131, 73, 181 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 7 x 20 x 373 x 131 x 73 x 181 = 542326527960
Therefore, the lowest common multiple of 840,746,917,219,543 is 542326527960.
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.
840 x 746 x 917 x 219 x 543 = 68333142522960
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.
840 : 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840
746 : 1, 2, 373, 746
917 : 1, 7, 131, 917
219 : 1, 3, 73, 219
543 : 1, 3, 181, 543
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 840,746,917,219,543, is 1.
Now, the common factors can be found like this.
840:2x 2x 2x 3x 5x 7
746:2x 373
917:7x 131
219:3x 73
543:3x 181
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
2x 3x 3x 7 = 126
Therefore, the value for common factors is 126.
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 = 68333142522960/(1x126)
LCM = 68333142522960/126
LCM = 542326527960
Thus, we can understand that the LCM of 840,746,917,219,543 is 542326527960.
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FAQs on LCM of 840, 746, 917, 219, 543
1. What is the LCM of 840, 746, 917, 219, 543?
Answer: LCM of 840, 746, 917, 219, 543 is 542326527960.
2. How to calculate the LCM of 840, 746, 917, 219, 543?
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 840, 746, 917, 219, 543.
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}.