LCM of 796, 401, 739, 680, 128
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 796, 401, 739, 680, 128 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 796, 401, 739, 680, 128. So, keep reading to learn more.
Given numbers are 796,401,739,680,128
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 796,401,739,680,128 is 641609495680.
Find LCM of 796,401,739,680,128 with Prime Factorization
| 2 | 796, 401, 739, 680, 128 |
| 2 | 398, 401, 739, 340, 64 |
| 2 | 199, 401, 739, 170, 32 |
| 199, 401, 739, 85, 16 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 2 x 199 x 401 x 739 x 85 x 16 = 641609495680
Therefore, the lowest common multiple of 796,401,739,680,128 is 641609495680.
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.
796 x 401 x 739 x 680 x 128 = 20531503861760
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.
796 : 1, 2, 4, 199, 398, 796
401 : 1, 401
739 : 1, 739
680 : 1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680
128 : 1, 2, 4, 8, 16, 32, 64, 128
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 796,401,739,680,128, is 1.
Now, the common factors can be found like this.
796:2x 2x 199
401:401
739:739
680:2x 2x 2x 5x 17
128:2x 2x 2x 2x 2x 2x 2
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 2 = 32
Therefore, the value for common factors is 32.
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 = 20531503861760/(1x32)
LCM = 20531503861760/32
LCM = 641609495680
Thus, we can understand that the LCM of 796,401,739,680,128 is 641609495680.
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FAQs on LCM of 796, 401, 739, 680, 128
1. What is the LCM of 796, 401, 739, 680, 128?
Answer: LCM of 796, 401, 739, 680, 128 is 641609495680.
2. How to calculate the LCM of 796, 401, 739, 680, 128?
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 796, 401, 739, 680, 128.
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}.