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LCM of 685, 835, 123, 697, 665

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


Find the LCM of 685, 835, 123, 697, 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 685, 835, 123, 697, 665. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 685,835,123,697,665

Given numbers are 685,835,123,697,665

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

The LCM of 685,835,123,697,665 is 31813592685.

Find LCM of 685,835,123,697,665 with Prime Factorization


5 685, 835, 123, 697, 665
41 137, 167, 123, 697, 133
137, 167, 3, 17, 133

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

5 x 41 x 137 x 167 x 3 x 17 x 133 = 31813592685

Therefore, the lowest common multiple of 685,835,123,697,665 is 31813592685.

LCM Formula to Find Lowest Common Multiple of 685,835,123,697,665

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.

685 x 835 x 123 x 697 x 665 = 32608932502125

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.

685 : 1, 5, 137, 685

835 : 1, 5, 167, 835

123 : 1, 3, 41, 123

697 : 1, 17, 41, 697

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 685,835,123,697,665, is 1.

Now, the common factors can be found like this.

685:5x 137

835:5x 167

123:3x 41

697:17x 41

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.

5x 5x 41 = 1025

Therefore, the value for common factors is 1025.

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 = 32608932502125/(1x1025)

LCM = 32608932502125/1025

LCM = 31813592685

Thus, we can understand that the LCM of 685,835,123,697,665 is 31813592685.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 685, 835, 123, 697, 665

1. What is the LCM of 685, 835, 123, 697, 665?

Answer: LCM of 685, 835, 123, 697, 665 is 31813592685.

2. How to calculate the LCM of 685, 835, 123, 697, 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 685, 835, 123, 697, 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}.