LCM of 856, 948, 940, 962, 691
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 856, 948, 940, 962, 691 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 856, 948, 940, 962, 691. So, keep reading to learn more.
Given numbers are 856,948,940,962,691
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 856,948,940,962,691 is 15845760835320.
Find LCM of 856,948,940,962,691 with Prime Factorization
| 2 | 856, 948, 940, 962, 691 |
| 2 | 428, 474, 470, 481, 691 |
| 214, 237, 235, 481, 691 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 214 x 237 x 235 x 481 x 691 = 15845760835320
Therefore, the lowest common multiple of 856,948,940,962,691 is 15845760835320.
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.
856 x 948 x 940 x 962 x 691 = 507064346730240
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.
856 : 1, 2, 4, 8, 107, 214, 428, 856
948 : 1, 2, 3, 4, 6, 12, 79, 158, 237, 316, 474, 948
940 : 1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940
962 : 1, 2, 13, 26, 37, 74, 481, 962
691 : 1, 691
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 856,948,940,962,691, is 1.
Now, the common factors can be found like this.
856:2x 2x 2x 107
948:2x 2x 3x 79
940:2x 2x 5x 47
962:2x 13x 37
691:691
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 = 507064346730240/(1x32)
LCM = 507064346730240/32
LCM = 15845760835320
Thus, we can understand that the LCM of 856,948,940,962,691 is 15845760835320.
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FAQs on LCM of 856, 948, 940, 962, 691
1. What is the LCM of 856, 948, 940, 962, 691?
Answer: LCM of 856, 948, 940, 962, 691 is 15845760835320.
2. How to calculate the LCM of 856, 948, 940, 962, 691?
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 856, 948, 940, 962, 691.
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}.