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LCM of 668, 964, 428, 685

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


Find the LCM of 668, 964, 428, 685 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 668, 964, 428, 685. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 668,964,428,685

Given numbers are 668,964,428,685

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

The LCM of 668,964,428,685 is 11799615460.

Find LCM of 668,964,428,685 with Prime Factorization


2 668, 964, 428, 685
2 334, 482, 214, 685
167, 241, 107, 685

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

2 x 2 x 167 x 241 x 107 x 685 = 11799615460

Therefore, the lowest common multiple of 668,964,428,685 is 11799615460.

LCM Formula to Find Lowest Common Multiple of 668,964,428,685

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.

668 x 964 x 428 x 685 = 188793847360

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.

668 : 1, 2, 4, 167, 334, 668

964 : 1, 2, 4, 241, 482, 964

428 : 1, 2, 4, 107, 214, 428

685 : 1, 5, 137, 685

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 668,964,428,685, is 1.

Now, the common factors can be found like this.

668:2x 2x 167

964:2x 2x 241

428:2x 2x 107

685:5x 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 2x 2x 2 = 16

Therefore, the value for common factors is 16.

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 = 188793847360/(1x16)

LCM = 188793847360/16

LCM = 11799615460

Thus, we can understand that the LCM of 668,964,428,685 is 11799615460.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 668, 964, 428, 685

1. What is the LCM of 668, 964, 428, 685?

Answer: LCM of 668, 964, 428, 685 is 11799615460.

2. How to calculate the LCM of 668, 964, 428, 685?

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 668, 964, 428, 685.

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}.