LCM of 921, 940, 680, 306
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 921, 940, 680, 306 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 921, 940, 680, 306. So, keep reading to learn more.
Given numbers are 921,940,680,306
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 921,940,680,306 is 88305480.
Find LCM of 921,940,680,306 with Prime Factorization
| 2 | 921, 940, 680, 306 |
| 2 | 921, 470, 340, 153 |
| 3 | 921, 235, 170, 153 |
| 5 | 307, 235, 170, 51 |
| 17 | 307, 47, 34, 51 |
| 307, 47, 2, 3 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 3 x 5 x 17 x 307 x 47 x 2 x 3 = 88305480
Therefore, the lowest common multiple of 921,940,680,306 is 88305480.
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.
921 x 940 x 680 x 306 = 180143179200
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.
921 : 1, 3, 307, 921
940 : 1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940
680 : 1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680
306 : 1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 921,940,680,306, is 1.
Now, the common factors can be found like this.
921:3x 307
940:2x 2x 5x 47
680:2x 2x 2x 5x 17
306:2x 3x 3x 17
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 5x 17 = 2040
Therefore, the value for common factors is 2040.
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 = 180143179200/(1x2040)
LCM = 180143179200/2040
LCM = 88305480
Thus, we can understand that the LCM of 921,940,680,306 is 88305480.
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FAQs on LCM of 921, 940, 680, 306
1. What is the LCM of 921, 940, 680, 306?
Answer: LCM of 921, 940, 680, 306 is 88305480.
2. How to calculate the LCM of 921, 940, 680, 306?
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 921, 940, 680, 306.
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}.