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LCM of 257, 221, 728, 227

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


Find the LCM of 257, 221, 728, 227 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 257, 221, 728, 227. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 257,221,728,227

Given numbers are 257,221,728,227

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

The LCM of 257,221,728,227 is 722003464.

Find LCM of 257,221,728,227 with Prime Factorization


13 257, 221, 728, 227
257, 17, 56, 227

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

13 x 257 x 17 x 56 x 227 = 722003464

Therefore, the lowest common multiple of 257,221,728,227 is 722003464.

LCM Formula to Find Lowest Common Multiple of 257,221,728,227

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.

257 x 221 x 728 x 227 = 9386045032

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.

257 : 1, 257

221 : 1, 13, 17, 221

728 : 1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728

227 : 1, 227

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 257,221,728,227, is 1.

Now, the common factors can be found like this.

257:257

221:13x 17

728:2x 2x 2x 7x 13

227:227

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

13 = 13

Therefore, the value for common factors is 13.

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 = 9386045032/(1x13)

LCM = 9386045032/13

LCM = 722003464

Thus, we can understand that the LCM of 257,221,728,227 is 722003464.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 257, 221, 728, 227

1. What is the LCM of 257, 221, 728, 227?

Answer: LCM of 257, 221, 728, 227 is 722003464.

2. How to calculate the LCM of 257, 221, 728, 227?

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 257, 221, 728, 227.

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}.