LCM of 742, 768, 961, 738, 913
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 742, 768, 961, 738, 913 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 742, 768, 961, 738, 913. So, keep reading to learn more.
Given numbers are 742,768,961,738,913
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 742,768,961,738,913 is 30749241422592.
Find LCM of 742,768,961,738,913 with Prime Factorization
| 2 | 742, 768, 961, 738, 913 |
| 3 | 371, 384, 961, 369, 913 |
| 371, 128, 961, 123, 913 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 371 x 128 x 961 x 123 x 913 = 30749241422592
Therefore, the lowest common multiple of 742,768,961,738,913 is 30749241422592.
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.
742 x 768 x 961 x 738 x 913 = 368990897071104
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.
742 : 1, 2, 7, 14, 53, 106, 371, 742
768 : 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 768
961 : 1, 31, 961
738 : 1, 2, 3, 6, 9, 18, 41, 82, 123, 246, 369, 738
913 : 1, 11, 83, 913
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 742,768,961,738,913, is 1.
Now, the common factors can be found like this.
742:2x 7x 53
768:2x 2x 2x 2x 2x 2x 2x 2x 3
961:31x 31
738:2x 3x 3x 41
913:11x 83
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 3 = 12
Therefore, the value for common factors is 12.
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 = 368990897071104/(1x12)
LCM = 368990897071104/12
LCM = 30749241422592
Thus, we can understand that the LCM of 742,768,961,738,913 is 30749241422592.
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FAQs on LCM of 742, 768, 961, 738, 913
1. What is the LCM of 742, 768, 961, 738, 913?
Answer: LCM of 742, 768, 961, 738, 913 is 30749241422592.
2. How to calculate the LCM of 742, 768, 961, 738, 913?
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 742, 768, 961, 738, 913.
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}.