LCM of 640, 770, 295, 517, 849
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 640, 770, 295, 517, 849 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 640, 770, 295, 517, 849. So, keep reading to learn more.
Given numbers are 640,770,295,517,849
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 640,770,295,517,849 is 116018770560.
Find LCM of 640,770,295,517,849 with Prime Factorization
| 2 | 640, 770, 295, 517, 849 |
| 5 | 320, 385, 295, 517, 849 |
| 11 | 64, 77, 59, 517, 849 |
| 64, 7, 59, 47, 849 |
Multiply the prime numbers at the bottom and the left side.
2 x 5 x 11 x 64 x 7 x 59 x 47 x 849 = 116018770560
Therefore, the lowest common multiple of 640,770,295,517,849 is 116018770560.
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.
640 x 770 x 295 x 517 x 849 = 63810323808000
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.
640 : 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640
770 : 1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770
295 : 1, 5, 59, 295
517 : 1, 11, 47, 517
849 : 1, 3, 283, 849
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 640,770,295,517,849, is 1.
Now, the common factors can be found like this.
640:2x 2x 2x 2x 2x 2x 2x 5
770:2x 5x 7x 11
295:5x 59
517:11x 47
849:3x 283
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
2x 5x 5x 11 = 550
Therefore, the value for common factors is 550.
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 = 63810323808000/(1x550)
LCM = 63810323808000/550
LCM = 116018770560
Thus, we can understand that the LCM of 640,770,295,517,849 is 116018770560.
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FAQs on LCM of 640, 770, 295, 517, 849
1. What is the LCM of 640, 770, 295, 517, 849?
Answer: LCM of 640, 770, 295, 517, 849 is 116018770560.
2. How to calculate the LCM of 640, 770, 295, 517, 849?
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 640, 770, 295, 517, 849.
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}.