LCM of 740, 789, 306, 872, 642
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 740, 789, 306, 872, 642 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 740, 789, 306, 872, 642. So, keep reading to learn more.
Given numbers are 740,789,306,872,642
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 740,789,306,872,642 is 694575036360.
Find LCM of 740,789,306,872,642 with Prime Factorization
| 2 | 740, 789, 306, 872, 642 |
| 2 | 370, 789, 153, 436, 321 |
| 3 | 185, 789, 153, 218, 321 |
| 185, 263, 51, 218, 107 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 3 x 185 x 263 x 51 x 218 x 107 = 694575036360
Therefore, the lowest common multiple of 740,789,306,872,642 is 694575036360.
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.
740 x 789 x 306 x 872 x 642 = 100018805235840
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.
740 : 1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740
789 : 1, 3, 263, 789
306 : 1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306
872 : 1, 2, 4, 8, 109, 218, 436, 872
642 : 1, 2, 3, 6, 107, 214, 321, 642
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 740,789,306,872,642, is 1.
Now, the common factors can be found like this.
740:2x 2x 5x 37
789:3x 263
306:2x 3x 3x 17
872:2x 2x 2x 109
642:2x 3x 107
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 = 100018805235840/(1x144)
LCM = 100018805235840/144
LCM = 694575036360
Thus, we can understand that the LCM of 740,789,306,872,642 is 694575036360.
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FAQs on LCM of 740, 789, 306, 872, 642
1. What is the LCM of 740, 789, 306, 872, 642?
Answer: LCM of 740, 789, 306, 872, 642 is 694575036360.
2. How to calculate the LCM of 740, 789, 306, 872, 642?
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 740, 789, 306, 872, 642.
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}.