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LCM of 789, 941, 780, 665

Created By : Jatin Gogia
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023


Find the LCM of 789, 941, 780, 665 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 789, 941, 780, 665. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 789,941,780,665

Given numbers are 789,941,780,665

The least common multiple of numbers can be find using the prime factorization method or LCM formula.

The LCM of 789,941,780,665 is 25673886420.

Find LCM of 789,941,780,665 with Prime Factorization


3 789, 941, 780, 665
5 263, 941, 260, 665
263, 941, 52, 133

Multiply the prime numbers at the bottom and the left side.

3 x 5 x 263 x 941 x 52 x 133 = 25673886420

Therefore, the lowest common multiple of 789,941,780,665 is 25673886420.

LCM Formula to Find Lowest Common Multiple of 789,941,780,665

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.

789 x 941 x 780 x 665 = 385108296300

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.

789 : 1, 3, 263, 789

941 : 1, 941

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

665 : 1, 5, 7, 19, 35, 95, 133, 665

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 789,941,780,665, is 1.

Now, the common factors can be found like this.

789:3x 263

941:941

780:2x 2x 3x 5x 13

665:5x 7x 19

From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.

3x 5 = 15

Therefore, the value for common factors is 15.

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 = 385108296300/(1x15)

LCM = 385108296300/15

LCM = 25673886420

Thus, we can understand that the LCM of 789,941,780,665 is 25673886420.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 789, 941, 780, 665

1. What is the LCM of 789, 941, 780, 665?

Answer: LCM of 789, 941, 780, 665 is 25673886420.

2. How to calculate the LCM of 789, 941, 780, 665?

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 789, 941, 780, 665.

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}.