LCM of 138, 375, 668, 156, 343
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 138, 375, 668, 156, 343 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 138, 375, 668, 156, 343. So, keep reading to learn more.
Given numbers are 138,375,668,156,343
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 138,375,668,156,343 is 25690528500.
Find LCM of 138,375,668,156,343 with Prime Factorization
| 2 | 138, 375, 668, 156, 343 |
| 2 | 69, 375, 334, 78, 343 |
| 3 | 69, 375, 167, 39, 343 |
| 23, 125, 167, 13, 343 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 3 x 23 x 125 x 167 x 13 x 343 = 25690528500
Therefore, the lowest common multiple of 138,375,668,156,343 is 25690528500.
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.
138 x 375 x 668 x 156 x 343 = 1849718052000
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.
138 : 1, 2, 3, 6, 23, 46, 69, 138
375 : 1, 3, 5, 15, 25, 75, 125, 375
668 : 1, 2, 4, 167, 334, 668
156 : 1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156
343 : 1, 7, 49, 343
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 138,375,668,156,343, is 1.
Now, the common factors can be found like this.
138:2x 3x 23
375:3x 5x 5x 5
668:2x 2x 167
156:2x 2x 3x 13
343:7x 7x 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 2x 3x 3 = 72
Therefore, the value for common factors is 72.
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 = 1849718052000/(1x72)
LCM = 1849718052000/72
LCM = 25690528500
Thus, we can understand that the LCM of 138,375,668,156,343 is 25690528500.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 138, 375, 668, 156, 343
1. What is the LCM of 138, 375, 668, 156, 343?
Answer: LCM of 138, 375, 668, 156, 343 is 25690528500.
2. How to calculate the LCM of 138, 375, 668, 156, 343?
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 138, 375, 668, 156, 343.
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}.