LCM of 646, 618, 115, 372, 795
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 646, 618, 115, 372, 795 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 646, 618, 115, 372, 795. So, keep reading to learn more.
Given numbers are 646,618,115,372,795
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 646,618,115,372,795 is 75432134460.
Find LCM of 646,618,115,372,795 with Prime Factorization
| 2 | 646, 618, 115, 372, 795 |
| 3 | 323, 309, 115, 186, 795 |
| 5 | 323, 103, 115, 62, 265 |
| 323, 103, 23, 62, 53 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 5 x 323 x 103 x 23 x 62 x 53 = 75432134460
Therefore, the lowest common multiple of 646,618,115,372,795 is 75432134460.
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.
646 x 618 x 115 x 372 x 795 = 13577784202800
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.
646 : 1, 2, 17, 19, 34, 38, 323, 646
618 : 1, 2, 3, 6, 103, 206, 309, 618
115 : 1, 5, 23, 115
372 : 1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 372
795 : 1, 3, 5, 15, 53, 159, 265, 795
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 646,618,115,372,795, is 1.
Now, the common factors can be found like this.
646:2x 17x 19
618:2x 3x 103
115:5x 23
372:2x 2x 3x 31
795:3x 5x 53
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 3x 3x 5 = 180
Therefore, the value for common factors is 180.
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 = 13577784202800/(1x180)
LCM = 13577784202800/180
LCM = 75432134460
Thus, we can understand that the LCM of 646,618,115,372,795 is 75432134460.
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FAQs on LCM of 646, 618, 115, 372, 795
1. What is the LCM of 646, 618, 115, 372, 795?
Answer: LCM of 646, 618, 115, 372, 795 is 75432134460.
2. How to calculate the LCM of 646, 618, 115, 372, 795?
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 646, 618, 115, 372, 795.
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}.