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LCM of 847, 415, 680, 220

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


Find the LCM of 847, 415, 680, 220 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 847, 415, 680, 220. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 847,415,680,220

Given numbers are 847,415,680,220

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

The LCM of 847,415,680,220 is 47804680.

Find LCM of 847,415,680,220 with Prime Factorization


2 847, 415, 680, 220
2 847, 415, 340, 110
5 847, 415, 170, 55
11 847, 83, 34, 11
77, 83, 34, 1

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

2 x 2 x 5 x 11 x 77 x 83 x 34 x 1 = 47804680

Therefore, the lowest common multiple of 847,415,680,220 is 47804680.

LCM Formula to Find Lowest Common Multiple of 847,415,680,220

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.

847 x 415 x 680 x 220 = 52585148000

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.

847 : 1, 7, 11, 77, 121, 847

415 : 1, 5, 83, 415

680 : 1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680

220 : 1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 847,415,680,220, is 1.

Now, the common factors can be found like this.

847:7x 11x 11

415:5x 83

680:2x 2x 2x 5x 17

220:2x 2x 5x 11

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

2x 2x 5x 5x 11 = 1100

Therefore, the value for common factors is 1100.

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 = 52585148000/(1x1100)

LCM = 52585148000/1100

LCM = 47804680

Thus, we can understand that the LCM of 847,415,680,220 is 47804680.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 847, 415, 680, 220

1. What is the LCM of 847, 415, 680, 220?

Answer: LCM of 847, 415, 680, 220 is 47804680.

2. How to calculate the LCM of 847, 415, 680, 220?

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 847, 415, 680, 220.

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}.