LCM of 766, 871, 221, 780
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 766, 871, 221, 780 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 766, 871, 221, 780. So, keep reading to learn more.
Given numbers are 766,871,221,780
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 766,871,221,780 is 340264860.
Find LCM of 766,871,221,780 with Prime Factorization
| 2 | 766, 871, 221, 780 |
| 13 | 383, 871, 221, 390 |
| 383, 67, 17, 30 |
Multiply the prime numbers at the bottom and the left side.
2 x 13 x 383 x 67 x 17 x 30 = 340264860
Therefore, the lowest common multiple of 766,871,221,780 is 340264860.
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.
766 x 871 x 221 x 780 = 115009522680
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.
766 : 1, 2, 383, 766
871 : 1, 13, 67, 871
221 : 1, 13, 17, 221
780 : 1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 766,871,221,780, is 1.
Now, the common factors can be found like this.
766:2x 383
871:13x 67
221:13x 17
780:2x 2x 3x 5x 13
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
2x 13x 13 = 338
Therefore, the value for common factors is 338.
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 = 115009522680/(1x338)
LCM = 115009522680/338
LCM = 340264860
Thus, we can understand that the LCM of 766,871,221,780 is 340264860.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 766, 871, 221, 780
1. What is the LCM of 766, 871, 221, 780?
Answer: LCM of 766, 871, 221, 780 is 340264860.
2. How to calculate the LCM of 766, 871, 221, 780?
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 766, 871, 221, 780.
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}.