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LCM of 905, 703, 663, 855

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


Find the LCM of 905, 703, 663, 855 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 905, 703, 663, 855. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 905,703,663,855

Given numbers are 905,703,663,855

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

The LCM of 905,703,663,855 is 1265431635.

Find LCM of 905,703,663,855 with Prime Factorization


3 905, 703, 663, 855
5 905, 703, 221, 285
19 181, 703, 221, 57
181, 37, 221, 3

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

3 x 5 x 19 x 181 x 37 x 221 x 3 = 1265431635

Therefore, the lowest common multiple of 905,703,663,855 is 1265431635.

LCM Formula to Find Lowest Common Multiple of 905,703,663,855

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.

905 x 703 x 663 x 855 = 360648015975

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.

905 : 1, 5, 181, 905

703 : 1, 19, 37, 703

663 : 1, 3, 13, 17, 39, 51, 221, 663

855 : 1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 905,703,663,855, is 1.

Now, the common factors can be found like this.

905:5x 181

703:19x 37

663:3x 13x 17

855:3x 3x 5x 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 5x 19 = 285

Therefore, the value for common factors is 285.

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 = 360648015975/(1x285)

LCM = 360648015975/285

LCM = 1265431635

Thus, we can understand that the LCM of 905,703,663,855 is 1265431635.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 905, 703, 663, 855

1. What is the LCM of 905, 703, 663, 855?

Answer: LCM of 905, 703, 663, 855 is 1265431635.

2. How to calculate the LCM of 905, 703, 663, 855?

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 905, 703, 663, 855.

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}.