LCM of 528, 756, 789, 860
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 528, 756, 789, 860 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 528, 756, 789, 860. So, keep reading to learn more.
Given numbers are 528,756,789,860
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 528,756,789,860 is 1880912880.
Find LCM of 528,756,789,860 with Prime Factorization
| 2 | 528, 756, 789, 860 |
| 2 | 264, 378, 789, 430 |
| 3 | 132, 189, 789, 215 |
| 44, 63, 263, 215 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 3 x 44 x 63 x 263 x 215 = 1880912880
Therefore, the lowest common multiple of 528,756,789,860 is 1880912880.
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.
528 x 756 x 789 x 860 = 270851454720
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.
528 : 1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 528
756 : 1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756
789 : 1, 3, 263, 789
860 : 1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 528,756,789,860, is 1.
Now, the common factors can be found like this.
528:2x 2x 2x 2x 3x 11
756:2x 2x 3x 3x 3x 7
789:3x 263
860:2x 2x 5x 43
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 = 270851454720/(1x144)
LCM = 270851454720/144
LCM = 1880912880
Thus, we can understand that the LCM of 528,756,789,860 is 1880912880.
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FAQs on LCM of 528, 756, 789, 860
1. What is the LCM of 528, 756, 789, 860?
Answer: LCM of 528, 756, 789, 860 is 1880912880.
2. How to calculate the LCM of 528, 756, 789, 860?
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 528, 756, 789, 860.
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}.