LCM of 842, 628, 700, 640, 634
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 842, 628, 700, 640, 634 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 842, 628, 700, 640, 634. So, keep reading to learn more.
Given numbers are 842,628,700,640,634
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 842,628,700,640,634 is 469341577600.
Find LCM of 842,628,700,640,634 with Prime Factorization
| 2 | 842, 628, 700, 640, 634 |
| 2 | 421, 314, 350, 320, 317 |
| 5 | 421, 157, 175, 160, 317 |
| 421, 157, 35, 32, 317 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 5 x 421 x 157 x 35 x 32 x 317 = 469341577600
Therefore, the lowest common multiple of 842,628,700,640,634 is 469341577600.
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.
842 x 628 x 700 x 640 x 634 = 150189304832000
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.
842 : 1, 2, 421, 842
628 : 1, 2, 4, 157, 314, 628
700 : 1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700
640 : 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640
634 : 1, 2, 317, 634
2 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 842,628,700,640,634, is 2.
Now, the common factors can be found like this.
842:2x 421
628:2x 2x 157
700:2x 2x 5x 5x 7
640:2x 2x 2x 2x 2x 2x 2x 5
634:2x 317
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 2x 2x 5 = 160
Therefore, the value for common factors is 160.
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 = 150189304832000/(2x160)
LCM = 150189304832000/320
LCM = 469341577600
Thus, we can understand that the LCM of 842,628,700,640,634 is 469341577600.
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FAQs on LCM of 842, 628, 700, 640, 634
1. What is the LCM of 842, 628, 700, 640, 634?
Answer: LCM of 842, 628, 700, 640, 634 is 469341577600.
2. How to calculate the LCM of 842, 628, 700, 640, 634?
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 842, 628, 700, 640, 634.
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}.