LCM of 992, 560, 321, 749
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 992, 560, 321, 749 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 992, 560, 321, 749. So, keep reading to learn more.
Given numbers are 992,560,321,749
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 992,560,321,749 is 11145120.
Find LCM of 992,560,321,749 with Prime Factorization
| 2 | 992, 560, 321, 749 |
| 2 | 496, 280, 321, 749 |
| 2 | 248, 140, 321, 749 |
| 2 | 124, 70, 321, 749 |
| 7 | 62, 35, 321, 749 |
| 107 | 62, 5, 321, 107 |
| 62, 5, 3, 1 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 2 x 2 x 7 x 107 x 62 x 5 x 3 x 1 = 11145120
Therefore, the lowest common multiple of 992,560,321,749 is 11145120.
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.
992 x 560 x 321 x 749 = 133563118080
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.
992 : 1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992
560 : 1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560
321 : 1, 3, 107, 321
749 : 1, 7, 107, 749
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 992,560,321,749, is 1.
Now, the common factors can be found like this.
992:2x 2x 2x 2x 2x 31
560:2x 2x 2x 2x 5x 7
321:3x 107
749:7x 107
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 2x 7x 107 = 11984
Therefore, the value for common factors is 11984.
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 = 133563118080/(1x11984)
LCM = 133563118080/11984
LCM = 11145120
Thus, we can understand that the LCM of 992,560,321,749 is 11145120.
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FAQs on LCM of 992, 560, 321, 749
1. What is the LCM of 992, 560, 321, 749?
Answer: LCM of 992, 560, 321, 749 is 11145120.
2. How to calculate the LCM of 992, 560, 321, 749?
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 992, 560, 321, 749.
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}.