LCM of 905, 992, 221, 357, 651
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 905, 992, 221, 357, 651 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 905, 992, 221, 357, 651. So, keep reading to learn more.
Given numbers are 905,992,221,357,651
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 905,992,221,357,651 is 4166504160.
Find LCM of 905,992,221,357,651 with Prime Factorization
| 3 | 905, 992, 221, 357, 651 |
| 7 | 905, 992, 221, 119, 217 |
| 17 | 905, 992, 221, 17, 31 |
| 31 | 905, 992, 13, 1, 31 |
| 905, 32, 13, 1, 1 |
Multiply the prime numbers at the bottom and the left side.
3 x 7 x 17 x 31 x 905 x 32 x 13 x 1 x 1 = 4166504160
Therefore, the lowest common multiple of 905,992,221,357,651 is 4166504160.
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.
905 x 992 x 221 x 357 x 651 = 46110701538720
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.
905 : 1, 5, 181, 905
992 : 1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992
221 : 1, 13, 17, 221
357 : 1, 3, 7, 17, 21, 51, 119, 357
651 : 1, 3, 7, 21, 31, 93, 217, 651
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 905,992,221,357,651, is 1.
Now, the common factors can be found like this.
905:5x 181
992:2x 2x 2x 2x 2x 31
221:13x 17
357:3x 7x 17
651:3x 7x 31
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 17x 31 = 11067
Therefore, the value for common factors is 11067.
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 = 46110701538720/(1x11067)
LCM = 46110701538720/11067
LCM = 4166504160
Thus, we can understand that the LCM of 905,992,221,357,651 is 4166504160.
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FAQs on LCM of 905, 992, 221, 357, 651
1. What is the LCM of 905, 992, 221, 357, 651?
Answer: LCM of 905, 992, 221, 357, 651 is 4166504160.
2. How to calculate the LCM of 905, 992, 221, 357, 651?
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 905, 992, 221, 357, 651.
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}.