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LCM of 770, 687, 215, 822

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


Find the LCM of 770, 687, 215, 822 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 770, 687, 215, 822. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 770,687,215,822

Given numbers are 770,687,215,822

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

The LCM of 770,687,215,822 is 3116280090.

Find LCM of 770,687,215,822 with Prime Factorization


2 770, 687, 215, 822
3 385, 687, 215, 411
5 385, 229, 215, 137
77, 229, 43, 137

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

2 x 3 x 5 x 77 x 229 x 43 x 137 = 3116280090

Therefore, the lowest common multiple of 770,687,215,822 is 3116280090.

LCM Formula to Find Lowest Common Multiple of 770,687,215,822

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.

770 x 687 x 215 x 822 = 93488402700

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.

770 : 1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770

687 : 1, 3, 229, 687

215 : 1, 5, 43, 215

822 : 1, 2, 3, 6, 137, 274, 411, 822

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 770,687,215,822, is 1.

Now, the common factors can be found like this.

770:2x 5x 7x 11

687:3x 229

215:5x 43

822:2x 3x 137

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

2x 3x 5 = 30

Therefore, the value for common factors is 30.

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 = 93488402700/(1x30)

LCM = 93488402700/30

LCM = 3116280090

Thus, we can understand that the LCM of 770,687,215,822 is 3116280090.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 770, 687, 215, 822

1. What is the LCM of 770, 687, 215, 822?

Answer: LCM of 770, 687, 215, 822 is 3116280090.

2. How to calculate the LCM of 770, 687, 215, 822?

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 770, 687, 215, 822.

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}.