LCM of 981, 802, 556, 846, 772
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 981, 802, 556, 846, 772 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 981, 802, 556, 846, 772. So, keep reading to learn more.
Given numbers are 981,802,556,846,772
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 981,802,556,846,772 is 1984007632356.
Find LCM of 981,802,556,846,772 with Prime Factorization
| 2 | 981, 802, 556, 846, 772 |
| 2 | 981, 401, 278, 423, 386 |
| 3 | 981, 401, 139, 423, 193 |
| 3 | 327, 401, 139, 141, 193 |
| 109, 401, 139, 47, 193 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 3 x 3 x 109 x 401 x 139 x 47 x 193 = 1984007632356
Therefore, the lowest common multiple of 981,802,556,846,772 is 1984007632356.
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.
981 x 802 x 556 x 846 x 772 = 285697099059264
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.
981 : 1, 3, 9, 109, 327, 981
802 : 1, 2, 401, 802
556 : 1, 2, 4, 139, 278, 556
846 : 1, 2, 3, 6, 9, 18, 47, 94, 141, 282, 423, 846
772 : 1, 2, 4, 193, 386, 772
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 981,802,556,846,772, is 1.
Now, the common factors can be found like this.
981:3x 3x 109
802:2x 401
556:2x 2x 139
846:2x 3x 3x 47
772:2x 2x 193
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 3x 3 = 144
Therefore, the value for common factors is 144.
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 = 285697099059264/(1x144)
LCM = 285697099059264/144
LCM = 1984007632356
Thus, we can understand that the LCM of 981,802,556,846,772 is 1984007632356.
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FAQs on LCM of 981, 802, 556, 846, 772
1. What is the LCM of 981, 802, 556, 846, 772?
Answer: LCM of 981, 802, 556, 846, 772 is 1984007632356.
2. How to calculate the LCM of 981, 802, 556, 846, 772?
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 981, 802, 556, 846, 772.
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}.