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LCM of 689, 540, 491, 946

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


Find the LCM of 689, 540, 491, 946 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 689, 540, 491, 946. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 689,540,491,946

Given numbers are 689,540,491,946

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

The LCM of 689,540,491,946 is 86408330580.

Find LCM of 689,540,491,946 with Prime Factorization


2 689, 540, 491, 946
689, 270, 491, 473

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

2 x 689 x 270 x 491 x 473 = 86408330580

Therefore, the lowest common multiple of 689,540,491,946 is 86408330580.

LCM Formula to Find Lowest Common Multiple of 689,540,491,946

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.

689 x 540 x 491 x 946 = 172816661160

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.

689 : 1, 13, 53, 689

540 : 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540

491 : 1, 491

946 : 1, 2, 11, 22, 43, 86, 473, 946

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 689,540,491,946, is 1.

Now, the common factors can be found like this.

689:13x 53

540:2x 2x 3x 3x 3x 5

491:491

946:2x 11x 43

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

2 = 2

Therefore, the value for common factors is 2.

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 = 172816661160/(1x2)

LCM = 172816661160/2

LCM = 86408330580

Thus, we can understand that the LCM of 689,540,491,946 is 86408330580.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 689, 540, 491, 946

1. What is the LCM of 689, 540, 491, 946?

Answer: LCM of 689, 540, 491, 946 is 86408330580.

2. How to calculate the LCM of 689, 540, 491, 946?

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 689, 540, 491, 946.

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}.