LCM of 672, 839, 728, 420, 515
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 672, 839, 728, 420, 515 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 672, 839, 728, 420, 515. So, keep reading to learn more.
Given numbers are 672,839,728,420,515
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 672,839,728,420,515 is 3774694560.
Find LCM of 672,839,728,420,515 with Prime Factorization
| 2 | 672, 839, 728, 420, 515 |
| 2 | 336, 839, 364, 210, 515 |
| 2 | 168, 839, 182, 105, 515 |
| 3 | 84, 839, 91, 105, 515 |
| 5 | 28, 839, 91, 35, 515 |
| 7 | 28, 839, 91, 7, 103 |
| 4, 839, 13, 1, 103 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 2 x 3 x 5 x 7 x 4 x 839 x 13 x 1 x 103 = 3774694560
Therefore, the lowest common multiple of 672,839,728,420,515 is 3774694560.
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.
672 x 839 x 728 x 420 x 515 = 88780816051200
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.
672 : 1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672
839 : 1, 839
728 : 1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728
420 : 1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420
515 : 1, 5, 103, 515
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 672,839,728,420,515, is 1.
Now, the common factors can be found like this.
672:2x 2x 2x 2x 2x 3x 7
839:839
728:2x 2x 2x 7x 13
420:2x 2x 3x 5x 7
515:5x 103
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 3x 5x 7x 7 = 23520
Therefore, the value for common factors is 23520.
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 = 88780816051200/(1x23520)
LCM = 88780816051200/23520
LCM = 3774694560
Thus, we can understand that the LCM of 672,839,728,420,515 is 3774694560.
LCM of two or more Numbers Calculation Examples
Here are some samples of LCM of two or more Numbers calculations.
FAQs on LCM of 672, 839, 728, 420, 515
1. What is the LCM of 672, 839, 728, 420, 515?
Answer: LCM of 672, 839, 728, 420, 515 is 3774694560.
2. How to calculate the LCM of 672, 839, 728, 420, 515?
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 672, 839, 728, 420, 515.
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}.