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LCM of 991, 741, 521, 618

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


Find the LCM of 991, 741, 521, 618 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 991, 741, 521, 618. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 991,741,521,618

Given numbers are 991,741,521,618

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

The LCM of 991,741,521,618 is 78812808906.

Find LCM of 991,741,521,618 with Prime Factorization


3 991, 741, 521, 618
991, 247, 521, 206

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

3 x 991 x 247 x 521 x 206 = 78812808906

Therefore, the lowest common multiple of 991,741,521,618 is 78812808906.

LCM Formula to Find Lowest Common Multiple of 991,741,521,618

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.

991 x 741 x 521 x 618 = 236438426718

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.

991 : 1, 991

741 : 1, 3, 13, 19, 39, 57, 247, 741

521 : 1, 521

618 : 1, 2, 3, 6, 103, 206, 309, 618

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 991,741,521,618, is 1.

Now, the common factors can be found like this.

991:991

741:3x 13x 19

521:521

618:2x 3x 103

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

3 = 3

Therefore, the value for common factors is 3.

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 = 236438426718/(1x3)

LCM = 236438426718/3

LCM = 78812808906

Thus, we can understand that the LCM of 991,741,521,618 is 78812808906.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 991, 741, 521, 618

1. What is the LCM of 991, 741, 521, 618?

Answer: LCM of 991, 741, 521, 618 is 78812808906.

2. How to calculate the LCM of 991, 741, 521, 618?

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 991, 741, 521, 618.

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}.