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LCM of 131, 990, 489, 131

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


Find the LCM of 131, 990, 489, 131 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 131, 990, 489, 131. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 131,990,489,131

Given numbers are 131,990,489,131

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

The LCM of 131,990,489,131 is 21139470.

Find LCM of 131,990,489,131 with Prime Factorization


3 131, 990, 489, 131
131 131, 330, 163, 131
1, 330, 163, 1

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

3 x 131 x 1 x 330 x 163 x 1 = 21139470

Therefore, the lowest common multiple of 131,990,489,131 is 21139470.

LCM Formula to Find Lowest Common Multiple of 131,990,489,131

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.

131 x 990 x 489 x 131 = 8307811710

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.

131 : 1, 131

990 : 1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990

489 : 1, 3, 163, 489

131 : 1, 131

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 131,990,489,131, is 1.

Now, the common factors can be found like this.

131:131

990:2x 3x 3x 5x 11

489:3x 163

131:131

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

3x 131 = 393

Therefore, the value for common factors is 393.

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 = 8307811710/(1x393)

LCM = 8307811710/393

LCM = 21139470

Thus, we can understand that the LCM of 131,990,489,131 is 21139470.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 131, 990, 489, 131

1. What is the LCM of 131, 990, 489, 131?

Answer: LCM of 131, 990, 489, 131 is 21139470.

2. How to calculate the LCM of 131, 990, 489, 131?

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 131, 990, 489, 131.

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}.