LCM of 694, 717, 454, 571, 840
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 694, 717, 454, 571, 840 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 694, 717, 454, 571, 840. So, keep reading to learn more.
Given numbers are 694,717,454,571,840
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 694,717,454,571,840 is 9029602395240.
Find LCM of 694,717,454,571,840 with Prime Factorization
| 2 | 694, 717, 454, 571, 840 |
| 3 | 347, 717, 227, 571, 420 |
| 347, 239, 227, 571, 140 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 347 x 239 x 227 x 571 x 140 = 9029602395240
Therefore, the lowest common multiple of 694,717,454,571,840 is 9029602395240.
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.
694 x 717 x 454 x 571 x 840 = 108355228742880
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.
694 : 1, 2, 347, 694
717 : 1, 3, 239, 717
454 : 1, 2, 227, 454
571 : 1, 571
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
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 694,717,454,571,840, is 1.
Now, the common factors can be found like this.
694:2x 347
717:3x 239
454:2x 227
571:571
840:2x 2x 2x 3x 5x 7
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 3 = 12
Therefore, the value for common factors is 12.
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 = 108355228742880/(1x12)
LCM = 108355228742880/12
LCM = 9029602395240
Thus, we can understand that the LCM of 694,717,454,571,840 is 9029602395240.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 694, 717, 454, 571, 840
1. What is the LCM of 694, 717, 454, 571, 840?
Answer: LCM of 694, 717, 454, 571, 840 is 9029602395240.
2. How to calculate the LCM of 694, 717, 454, 571, 840?
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 694, 717, 454, 571, 840.
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}.