LCM of 672, 623, 857, 208
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 672, 623, 857, 208 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, 623, 857, 208. So, keep reading to learn more.
Given numbers are 672,623,857,208
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 672,623,857,208 is 666320928.
Find LCM of 672,623,857,208 with Prime Factorization
| 2 | 672, 623, 857, 208 |
| 2 | 336, 623, 857, 104 |
| 2 | 168, 623, 857, 52 |
| 2 | 84, 623, 857, 26 |
| 7 | 42, 623, 857, 13 |
| 6, 89, 857, 13 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 2 x 2 x 7 x 6 x 89 x 857 x 13 = 666320928
Therefore, the lowest common multiple of 672,623,857,208 is 666320928.
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 623 x 857 x 208 = 74627943936
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
623 : 1, 7, 89, 623
857 : 1, 857
208 : 1, 2, 4, 8, 13, 16, 26, 52, 104, 208
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 672,623,857,208, is 1.
Now, the common factors can be found like this.
672:2x 2x 2x 2x 2x 3x 7
623:7x 89
857:857
208:2x 2x 2x 2x 13
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 7 = 112
Therefore, the value for common factors is 112.
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 = 74627943936/(1x112)
LCM = 74627943936/112
LCM = 666320928
Thus, we can understand that the LCM of 672,623,857,208 is 666320928.
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FAQs on LCM of 672, 623, 857, 208
1. What is the LCM of 672, 623, 857, 208?
Answer: LCM of 672, 623, 857, 208 is 666320928.
2. How to calculate the LCM of 672, 623, 857, 208?
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, 623, 857, 208.
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}.