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LCM of 990, 851, 538, 423

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


Find the LCM of 990, 851, 538, 423 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 990, 851, 538, 423. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 990,851,538,423

Given numbers are 990,851,538,423

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

The LCM of 990,851,538,423 is 10651601070.

Find LCM of 990,851,538,423 with Prime Factorization


2 990, 851, 538, 423
3 495, 851, 269, 423
3 165, 851, 269, 141
55, 851, 269, 47

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

2 x 3 x 3 x 55 x 851 x 269 x 47 = 10651601070

Therefore, the lowest common multiple of 990,851,538,423 is 10651601070.

LCM Formula to Find Lowest Common Multiple of 990,851,538,423

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.

990 x 851 x 538 x 423 = 191728819260

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.

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

851 : 1, 23, 37, 851

538 : 1, 2, 269, 538

423 : 1, 3, 9, 47, 141, 423

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 990,851,538,423, is 1.

Now, the common factors can be found like this.

990:2x 3x 3x 5x 11

851:23x 37

538:2x 269

423:3x 3x 47

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

2x 3x 3 = 18

Therefore, the value for common factors is 18.

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 = 191728819260/(1x18)

LCM = 191728819260/18

LCM = 10651601070

Thus, we can understand that the LCM of 990,851,538,423 is 10651601070.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 990, 851, 538, 423

1. What is the LCM of 990, 851, 538, 423?

Answer: LCM of 990, 851, 538, 423 is 10651601070.

2. How to calculate the LCM of 990, 851, 538, 423?

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 990, 851, 538, 423.

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}.