LCM of 3 Numbers Calculator LCM of 4 Numbers Calculator LCM of 5 Numbers Calculator LCD Calculator How to find LCM LCM and HCF Questions Least Common Denominator Calculator Greatest Common Divisor Calculator HCF Calculator HCF of 3 Numbers Calculator HCF of 4 Numbers Calculator GCD Calculator Greatest Common Factor Calculator Least Common Multiple Calculator Common Factors Calculator

LCM of 605, 860, 989, 861

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


Find the LCM of 605, 860, 989, 861 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 605, 860, 989, 861. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 605,860,989,861

Given numbers are 605,860,989,861

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

The LCM of 605,860,989,861 is 2060700180.

Find LCM of 605,860,989,861 with Prime Factorization


5 605, 860, 989, 861
43 121, 172, 989, 861
121, 4, 23, 861

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

5 x 43 x 121 x 4 x 23 x 861 = 2060700180

Therefore, the lowest common multiple of 605,860,989,861 is 2060700180.

LCM Formula to Find Lowest Common Multiple of 605,860,989,861

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.

605 x 860 x 989 x 861 = 443050538700

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.

605 : 1, 5, 11, 55, 121, 605

860 : 1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860

989 : 1, 23, 43, 989

861 : 1, 3, 7, 21, 41, 123, 287, 861

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 605,860,989,861, is 1.

Now, the common factors can be found like this.

605:5x 11x 11

860:2x 2x 5x 43

989:23x 43

861:3x 7x 41

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

5x 43 = 215

Therefore, the value for common factors is 215.

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 = 443050538700/(1x215)

LCM = 443050538700/215

LCM = 2060700180

Thus, we can understand that the LCM of 605,860,989,861 is 2060700180.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 605, 860, 989, 861

1. What is the LCM of 605, 860, 989, 861?

Answer: LCM of 605, 860, 989, 861 is 2060700180.

2. How to calculate the LCM of 605, 860, 989, 861?

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 605, 860, 989, 861.

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}.