LCM of 992, 381, 915, 474, 961
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 992, 381, 915, 474, 961 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, 381, 915, 474, 961. So, keep reading to learn more.
Given numbers are 992,381,915,474,961
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 992,381,915,474,961 is 282309356640.
Find LCM of 992,381,915,474,961 with Prime Factorization
| 2 | 992, 381, 915, 474, 961 |
| 3 | 496, 381, 915, 237, 961 |
| 31 | 496, 127, 305, 79, 961 |
| 16, 127, 305, 79, 31 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 31 x 16 x 127 x 305 x 79 x 31 = 282309356640
Therefore, the lowest common multiple of 992,381,915,474,961 is 282309356640.
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 381 x 915 x 474 x 961 = 157528621005120
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
381 : 1, 3, 127, 381
915 : 1, 3, 5, 15, 61, 183, 305, 915
474 : 1, 2, 3, 6, 79, 158, 237, 474
961 : 1, 31, 961
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 992,381,915,474,961, is 1.
Now, the common factors can be found like this.
992:2x 2x 2x 2x 2x 31
381:3x 127
915:3x 5x 61
474:2x 3x 79
961:31x 31
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
2x 3x 3x 31 = 558
Therefore, the value for common factors is 558.
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 = 157528621005120/(1x558)
LCM = 157528621005120/558
LCM = 282309356640
Thus, we can understand that the LCM of 992,381,915,474,961 is 282309356640.
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FAQs on LCM of 992, 381, 915, 474, 961
1. What is the LCM of 992, 381, 915, 474, 961?
Answer: LCM of 992, 381, 915, 474, 961 is 282309356640.
2. How to calculate the LCM of 992, 381, 915, 474, 961?
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, 381, 915, 474, 961.
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}.