LCM of 4485, 1380
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 4485, 1380 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 4485, 1380. So, keep reading to learn more.
Given numbers are 4485,1380
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 4485,1380 is 17940.
Find LCM of 4485,1380 with Prime Factorization
| 3 | 4485, 1380 |
| 5 | 1495, 460 |
| 23 | 299, 92 |
| 13, 4 |
Multiply the prime numbers at the bottom and the left side.
3 x 5 x 23 x 13 x 4 = 17940
Therefore, the lowest common multiple of 4485,1380 is 17940.
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.
4485 x 1380 = 6189300
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.
4485 : 1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4485
1380 : 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380
345 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 4485,1380, is 345.
Now, the common factors can be found like this.
4485:3x 5x 13x 23
1380:2x 2x 3x 5x 23
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
= 1
Therefore, the value for common factors is 1.
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 = 6189300/(345x1)
LCM = 6189300/345
LCM = 17940
Thus, we can understand that the LCM of 4485,1380 is 17940.
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FAQs on LCM of 4485, 1380
1. What is the LCM of 4485, 1380?
Answer: LCM of 4485, 1380 is 17940.
2. How to calculate the LCM of 4485, 1380?
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 4485, 1380.
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}.