LCM of 765, 643, 175, 287, 580
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 765, 643, 175, 287, 580 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 765, 643, 175, 287, 580. So, keep reading to learn more.
Given numbers are 765,643,175,287,580
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 765,643,175,287,580 is 81880841700.
Find LCM of 765,643,175,287,580 with Prime Factorization
| 5 | 765, 643, 175, 287, 580 |
| 7 | 153, 643, 35, 287, 116 |
| 153, 643, 5, 41, 116 |
Multiply the prime numbers at the bottom and the left side.
5 x 7 x 153 x 643 x 5 x 41 x 116 = 81880841700
Therefore, the lowest common multiple of 765,643,175,287,580 is 81880841700.
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.
765 x 643 x 175 x 287 x 580 = 14329147297500
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.
765 : 1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765
643 : 1, 643
175 : 1, 5, 7, 25, 35, 175
287 : 1, 7, 41, 287
580 : 1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 765,643,175,287,580, is 1.
Now, the common factors can be found like this.
765:3x 3x 5x 17
643:643
175:5x 5x 7
287:7x 41
580:2x 2x 5x 29
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
5x 5x 7 = 175
Therefore, the value for common factors is 175.
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 = 14329147297500/(1x175)
LCM = 14329147297500/175
LCM = 81880841700
Thus, we can understand that the LCM of 765,643,175,287,580 is 81880841700.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 765, 643, 175, 287, 580
1. What is the LCM of 765, 643, 175, 287, 580?
Answer: LCM of 765, 643, 175, 287, 580 is 81880841700.
2. How to calculate the LCM of 765, 643, 175, 287, 580?
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 765, 643, 175, 287, 580.
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}.