LCM of 702, 121, 816, 128, 973
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 702, 121, 816, 128, 973 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 702, 121, 816, 128, 973. So, keep reading to learn more.
Given numbers are 702,121,816,128,973
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 702,121,816,128,973 is 89921639808.
Find LCM of 702,121,816,128,973 with Prime Factorization
| 2 | 702, 121, 816, 128, 973 |
| 2 | 351, 121, 408, 64, 973 |
| 2 | 351, 121, 204, 32, 973 |
| 2 | 351, 121, 102, 16, 973 |
| 3 | 351, 121, 51, 8, 973 |
| 117, 121, 17, 8, 973 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 2 x 2 x 3 x 117 x 121 x 17 x 8 x 973 = 89921639808
Therefore, the lowest common multiple of 702,121,816,128,973 is 89921639808.
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.
702 x 121 x 816 x 128 x 973 = 8632477421568
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.
702 : 1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702
121 : 1, 11, 121
816 : 1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816
128 : 1, 2, 4, 8, 16, 32, 64, 128
973 : 1, 7, 139, 973
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 702,121,816,128,973, is 1.
Now, the common factors can be found like this.
702:2x 3x 3x 3x 13
121:11x 11
816:2x 2x 2x 2x 3x 17
128:2x 2x 2x 2x 2x 2x 2
973:7x 139
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 2x 3 = 96
Therefore, the value for common factors is 96.
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 = 8632477421568/(1x96)
LCM = 8632477421568/96
LCM = 89921639808
Thus, we can understand that the LCM of 702,121,816,128,973 is 89921639808.
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FAQs on LCM of 702, 121, 816, 128, 973
1. What is the LCM of 702, 121, 816, 128, 973?
Answer: LCM of 702, 121, 816, 128, 973 is 89921639808.
2. How to calculate the LCM of 702, 121, 816, 128, 973?
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 702, 121, 816, 128, 973.
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}.