LCM of 133, 646, 423, 987
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 133, 646, 423, 987 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 133, 646, 423, 987. So, keep reading to learn more.
Given numbers are 133,646,423,987
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 133,646,423,987 is 1912806.
Find LCM of 133,646,423,987 with Prime Factorization
| 3 | 133, 646, 423, 987 |
| 7 | 133, 646, 141, 329 |
| 19 | 19, 646, 141, 47 |
| 47 | 1, 34, 141, 47 |
| 1, 34, 3, 1 |
Multiply the prime numbers at the bottom and the left side.
3 x 7 x 19 x 47 x 1 x 34 x 3 x 1 = 1912806
Therefore, the lowest common multiple of 133,646,423,987 is 1912806.
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.
133 x 646 x 423 x 987 = 35870850918
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.
133 : 1, 7, 19, 133
646 : 1, 2, 17, 19, 34, 38, 323, 646
423 : 1, 3, 9, 47, 141, 423
987 : 1, 3, 7, 21, 47, 141, 329, 987
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 133,646,423,987, is 1.
Now, the common factors can be found like this.
133:7x 19
646:2x 17x 19
423:3x 3x 47
987:3x 7x 47
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
3x 7x 19x 47 = 18753
Therefore, the value for common factors is 18753.
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 = 35870850918/(1x18753)
LCM = 35870850918/18753
LCM = 1912806
Thus, we can understand that the LCM of 133,646,423,987 is 1912806.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 133, 646, 423, 987
1. What is the LCM of 133, 646, 423, 987?
Answer: LCM of 133, 646, 423, 987 is 1912806.
2. How to calculate the LCM of 133, 646, 423, 987?
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 133, 646, 423, 987.
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}.