LCM of 850, 787, 438, 154, 408
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 850, 787, 438, 154, 408 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 850, 787, 438, 154, 408. So, keep reading to learn more.
Given numbers are 850,787,438,154,408
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 850,787,438,154,408 is 45122015400.
Find LCM of 850,787,438,154,408 with Prime Factorization
| 2 | 850, 787, 438, 154, 408 |
| 3 | 425, 787, 219, 77, 204 |
| 17 | 425, 787, 73, 77, 68 |
| 25, 787, 73, 77, 4 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 17 x 25 x 787 x 73 x 77 x 4 = 45122015400
Therefore, the lowest common multiple of 850,787,438,154,408 is 45122015400.
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.
850 x 787 x 438 x 154 x 408 = 18409782283200
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.
850 : 1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 425, 850
787 : 1, 787
438 : 1, 2, 3, 6, 73, 146, 219, 438
154 : 1, 2, 7, 11, 14, 22, 77, 154
408 : 1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 850,787,438,154,408, is 1.
Now, the common factors can be found like this.
850:2x 5x 5x 17
787:787
438:2x 3x 73
154:2x 7x 11
408:2x 2x 2x 3x 17
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 3x 17 = 408
Therefore, the value for common factors is 408.
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 = 18409782283200/(1x408)
LCM = 18409782283200/408
LCM = 45122015400
Thus, we can understand that the LCM of 850,787,438,154,408 is 45122015400.
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FAQs on LCM of 850, 787, 438, 154, 408
1. What is the LCM of 850, 787, 438, 154, 408?
Answer: LCM of 850, 787, 438, 154, 408 is 45122015400.
2. How to calculate the LCM of 850, 787, 438, 154, 408?
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 850, 787, 438, 154, 408.
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}.