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LCM of 781, 274, 580, 457

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


Find the LCM of 781, 274, 580, 457 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 781, 274, 580, 457. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 781,274,580,457

Given numbers are 781,274,580,457

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

The LCM of 781,274,580,457 is 28360624820.

Find LCM of 781,274,580,457 with Prime Factorization


2 781, 274, 580, 457
781, 137, 290, 457

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

2 x 781 x 137 x 290 x 457 = 28360624820

Therefore, the lowest common multiple of 781,274,580,457 is 28360624820.

LCM Formula to Find Lowest Common Multiple of 781,274,580,457

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.

781 x 274 x 580 x 457 = 56721249640

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.

781 : 1, 11, 71, 781

274 : 1, 2, 137, 274

580 : 1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580

457 : 1, 457

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 781,274,580,457, is 1.

Now, the common factors can be found like this.

781:11x 71

274:2x 137

580:2x 2x 5x 29

457:457

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 = 56721249640/(1x2)

LCM = 56721249640/2

LCM = 28360624820

Thus, we can understand that the LCM of 781,274,580,457 is 28360624820.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 781, 274, 580, 457

1. What is the LCM of 781, 274, 580, 457?

Answer: LCM of 781, 274, 580, 457 is 28360624820.

2. How to calculate the LCM of 781, 274, 580, 457?

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 781, 274, 580, 457.

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}.