LCM of 329, 387, 642, 210
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 329, 387, 642, 210 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 329, 387, 642, 210. So, keep reading to learn more.
Given numbers are 329,387,642,210
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 329,387,642,210 is 136235610.
Find LCM of 329,387,642,210 with Prime Factorization
| 2 | 329, 387, 642, 210 |
| 3 | 329, 387, 321, 105 |
| 7 | 329, 129, 107, 35 |
| 47, 129, 107, 5 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 7 x 47 x 129 x 107 x 5 = 136235610
Therefore, the lowest common multiple of 329,387,642,210 is 136235610.
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.
329 x 387 x 642 x 210 = 17165686860
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.
329 : 1, 7, 47, 329
387 : 1, 3, 9, 43, 129, 387
642 : 1, 2, 3, 6, 107, 214, 321, 642
210 : 1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 329,387,642,210, is 1.
Now, the common factors can be found like this.
329:7x 47
387:3x 3x 43
642:2x 3x 107
210:2x 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 3x 3x 7 = 126
Therefore, the value for common factors is 126.
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 = 17165686860/(1x126)
LCM = 17165686860/126
LCM = 136235610
Thus, we can understand that the LCM of 329,387,642,210 is 136235610.
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FAQs on LCM of 329, 387, 642, 210
1. What is the LCM of 329, 387, 642, 210?
Answer: LCM of 329, 387, 642, 210 is 136235610.
2. How to calculate the LCM of 329, 387, 642, 210?
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 329, 387, 642, 210.
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}.