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LCM of 721, 871, 177, 341, 784

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


Find the LCM of 721, 871, 177, 341, 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 721, 871, 177, 341, 784. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 721,871,177,341,784

Given numbers are 721,871,177,341,784

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

The LCM of 721,871,177,341,784 is 4245209112144.

Find LCM of 721,871,177,341,784 with Prime Factorization


7 721, 871, 177, 341, 784
103, 871, 177, 341, 112

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

7 x 103 x 871 x 177 x 341 x 112 = 4245209112144

Therefore, the lowest common multiple of 721,871,177,341,784 is 4245209112144.

LCM Formula to Find Lowest Common Multiple of 721,871,177,341,784

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.

721 x 871 x 177 x 341 x 784 = 29716463785008

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.

721 : 1, 7, 103, 721

871 : 1, 13, 67, 871

177 : 1, 3, 59, 177

341 : 1, 11, 31, 341

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 721,871,177,341,784, is 1.

Now, the common factors can be found like this.

721:7x 103

871:13x 67

177:3x 59

341:11x 31

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.

7 = 7

Therefore, the value for common factors is 7.

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 = 29716463785008/(1x7)

LCM = 29716463785008/7

LCM = 4245209112144

Thus, we can understand that the LCM of 721,871,177,341,784 is 4245209112144.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 721, 871, 177, 341, 784

1. What is the LCM of 721, 871, 177, 341, 784?

Answer: LCM of 721, 871, 177, 341, 784 is 4245209112144.

2. How to calculate the LCM of 721, 871, 177, 341, 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 721, 871, 177, 341, 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}.