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LCM of 261, 688, 785, 489

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


Find the LCM of 261, 688, 785, 489 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 261, 688, 785, 489. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 261,688,785,489

Given numbers are 261,688,785,489

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

The LCM of 261,688,785,489 is 22976623440.

Find LCM of 261,688,785,489 with Prime Factorization


3 261, 688, 785, 489
87, 688, 785, 163

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

3 x 87 x 688 x 785 x 163 = 22976623440

Therefore, the lowest common multiple of 261,688,785,489 is 22976623440.

LCM Formula to Find Lowest Common Multiple of 261,688,785,489

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.

261 x 688 x 785 x 489 = 68929870320

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.

261 : 1, 3, 9, 29, 87, 261

688 : 1, 2, 4, 8, 16, 43, 86, 172, 344, 688

785 : 1, 5, 157, 785

489 : 1, 3, 163, 489

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 261,688,785,489, is 1.

Now, the common factors can be found like this.

261:3x 3x 29

688:2x 2x 2x 2x 43

785:5x 157

489:3x 163

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

3 = 3

Therefore, the value for common factors is 3.

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 = 68929870320/(1x3)

LCM = 68929870320/3

LCM = 22976623440

Thus, we can understand that the LCM of 261,688,785,489 is 22976623440.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 261, 688, 785, 489

1. What is the LCM of 261, 688, 785, 489?

Answer: LCM of 261, 688, 785, 489 is 22976623440.

2. How to calculate the LCM of 261, 688, 785, 489?

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 261, 688, 785, 489.

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}.