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LCM of 255, 654, 654, 728

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


Find the LCM of 255, 654, 654, 728 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 255, 654, 654, 728. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 255,654,654,728

Given numbers are 255,654,654,728

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

The LCM of 255,654,654,728 is 20234760.

Find LCM of 255,654,654,728 with Prime Factorization


2 255, 654, 654, 728
3 255, 327, 327, 364
109 85, 109, 109, 364
85, 1, 1, 364

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

2 x 3 x 109 x 85 x 1 x 1 x 364 = 20234760

Therefore, the lowest common multiple of 255,654,654,728 is 20234760.

LCM Formula to Find Lowest Common Multiple of 255,654,654,728

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.

255 x 654 x 654 x 728 = 79401198240

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.

255 : 1, 3, 5, 15, 17, 51, 85, 255

654 : 1, 2, 3, 6, 109, 218, 327, 654

654 : 1, 2, 3, 6, 109, 218, 327, 654

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

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 255,654,654,728, is 1.

Now, the common factors can be found like this.

255:3x 5x 17

654:2x 3x 109

654:2x 3x 109

728:2x 2x 2x 7x 13

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 3x 3x 109 = 3924

Therefore, the value for common factors is 3924.

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 = 79401198240/(1x3924)

LCM = 79401198240/3924

LCM = 20234760

Thus, we can understand that the LCM of 255,654,654,728 is 20234760.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 255, 654, 654, 728

1. What is the LCM of 255, 654, 654, 728?

Answer: LCM of 255, 654, 654, 728 is 20234760.

2. How to calculate the LCM of 255, 654, 654, 728?

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 255, 654, 654, 728.

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}.