LCM of 431, 280, 847, 690, 729
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 431, 280, 847, 690, 729 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 431, 280, 847, 690, 729. So, keep reading to learn more.
Given numbers are 431,280,847,690,729
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 431,280,847,690,729 is 244836428760.
Find LCM of 431,280,847,690,729 with Prime Factorization
| 2 | 431, 280, 847, 690, 729 |
| 3 | 431, 140, 847, 345, 729 |
| 5 | 431, 140, 847, 115, 243 |
| 7 | 431, 28, 847, 23, 243 |
| 431, 4, 121, 23, 243 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 5 x 7 x 431 x 4 x 121 x 23 x 243 = 244836428760
Therefore, the lowest common multiple of 431,280,847,690,729 is 244836428760.
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.
431 x 280 x 847 x 690 x 729 = 51415650039600
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.
431 : 1, 431
280 : 1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280
847 : 1, 7, 11, 77, 121, 847
690 : 1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690
729 : 1, 3, 9, 27, 81, 243, 729
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 431,280,847,690,729, is 1.
Now, the common factors can be found like this.
431:431
280:2x 2x 2x 5x 7
847:7x 11x 11
690:2x 3x 5x 23
729:3x 3x 3x 3x 3x 3
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
2x 3x 5x 7 = 210
Therefore, the value for common factors is 210.
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 = 51415650039600/(1x210)
LCM = 51415650039600/210
LCM = 244836428760
Thus, we can understand that the LCM of 431,280,847,690,729 is 244836428760.
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FAQs on LCM of 431, 280, 847, 690, 729
1. What is the LCM of 431, 280, 847, 690, 729?
Answer: LCM of 431, 280, 847, 690, 729 is 244836428760.
2. How to calculate the LCM of 431, 280, 847, 690, 729?
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 431, 280, 847, 690, 729.
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}.