LCM of 668, 862, 155, 800, 917
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 668, 862, 155, 800, 917 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 668, 862, 155, 800, 917. So, keep reading to learn more.
Given numbers are 668,862,155,800,917
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 668,862,155,800,917 is 1636872143200.
Find LCM of 668,862,155,800,917 with Prime Factorization
| 2 | 668, 862, 155, 800, 917 |
| 2 | 334, 431, 155, 400, 917 |
| 5 | 167, 431, 155, 200, 917 |
| 167, 431, 31, 40, 917 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 5 x 167 x 431 x 31 x 40 x 917 = 1636872143200
Therefore, the lowest common multiple of 668,862,155,800,917 is 1636872143200.
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.
668 x 862 x 155 x 800 x 917 = 65474885728000
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.
668 : 1, 2, 4, 167, 334, 668
862 : 1, 2, 431, 862
155 : 1, 5, 31, 155
800 : 1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800
917 : 1, 7, 131, 917
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 668,862,155,800,917, is 1.
Now, the common factors can be found like this.
668:2x 2x 167
862:2x 431
155:5x 31
800:2x 2x 2x 2x 2x 5x 5
917:7x 131
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 5 = 40
Therefore, the value for common factors is 40.
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 = 65474885728000/(1x40)
LCM = 65474885728000/40
LCM = 1636872143200
Thus, we can understand that the LCM of 668,862,155,800,917 is 1636872143200.
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FAQs on LCM of 668, 862, 155, 800, 917
1. What is the LCM of 668, 862, 155, 800, 917?
Answer: LCM of 668, 862, 155, 800, 917 is 1636872143200.
2. How to calculate the LCM of 668, 862, 155, 800, 917?
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 668, 862, 155, 800, 917.
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}.