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LCM of 489, 557, 147, 784

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


Find the LCM of 489, 557, 147, 784 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 489, 557, 147, 784. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 489,557,147,784

Given numbers are 489,557,147,784

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

The LCM of 489,557,147,784 is 213540432.

Find LCM of 489,557,147,784 with Prime Factorization


3 489, 557, 147, 784
7 163, 557, 49, 784
7 163, 557, 7, 112
163, 557, 1, 16

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

3 x 7 x 7 x 163 x 557 x 1 x 16 = 213540432

Therefore, the lowest common multiple of 489,557,147,784 is 213540432.

LCM Formula to Find Lowest Common Multiple of 489,557,147,784

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.

489 x 557 x 147 x 784 = 31390443504

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.

489 : 1, 3, 163, 489

557 : 1, 557

147 : 1, 3, 7, 21, 49, 147

784 : 1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 489,557,147,784, is 1.

Now, the common factors can be found like this.

489:3x 163

557:557

147:3x 7x 7

784:2x 2x 2x 2x 7x 7

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

3x 7x 7 = 147

Therefore, the value for common factors is 147.

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 = 31390443504/(1x147)

LCM = 31390443504/147

LCM = 213540432

Thus, we can understand that the LCM of 489,557,147,784 is 213540432.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 489, 557, 147, 784

1. What is the LCM of 489, 557, 147, 784?

Answer: LCM of 489, 557, 147, 784 is 213540432.

2. How to calculate the LCM of 489, 557, 147, 784?

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 489, 557, 147, 784.

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}.