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LCD of Calculator

Created By : Jatin Gogia
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023


Read this article to figure out how to calculate the lowest common denominator of . Learn the two different methods that you can use to find the LCD: the prime factorization method and the LCD formula method. We will explain both these methods in detail so stick around until the very end to understand. Utilise our free LCD Calculator to avail the LCD of numbers easily.

 

LCD of

How to Find LCD of 771,283,785 ?

Given numbers are 771,283,785

We can find the LCD of numbers 771,283,785 by the prime factorization method or by applying the LCD formula.

The LCD of 771,283,785 is 171281505.


Method to Find Least Common Denominator of 771,283,785 with Prime Factorization

Given numbers has no common factors except 1. So, there LCD is their product i.e 171281505

LCD Formula to Find LCD of 771,283,785

The LCD formula is LCD(a,b) = ( a x b) / GCF(a,b)


Step1:

Find the GCF of 771 and 283. To find the GCF, list down the factors of 771 and 283 and select the highest factor that appears in both lists of factors.

771 : [1, 3, 257, 771]

283 : [1, 283]

From this, we can see that the GCF of 771 and 283 is 1.

Now, put this into the LCD formula.

LCD(771, 283) = ( 771 x 283 ) / 1

LCD(771, 283) = 218193 / 1

LCD(771, 283) = 218193


Step2:

Find the GCF of 218193 and 785. To find the GCF, list down the factors of 218193 and 785 and select the highest factor that appears in both lists of factors.

218193 : [1, 3, 257, 283, 771, 849, 72731, 218193]

785 : [1, 5, 157, 785]

From this, we can see that the GCF of 218193 and 785 is 1.

Now, put this into the LCD formula.

LCD(218193, 785) = ( 218193 x 785 ) / 1

LCD(218193, 785) = 171281505 / 1

LCD(218193, 785) = 171281505

LCD of 771,283,785 is 171281505

LCD of Numbers Calculation Examples

Frequently Asked Questions on LCD of

1. What is the LCD of ?

Answer: LCD of is .

2. How to find LCD of using prime factorization ?

Answer: Just keep dividing by prime numbers until only co-primes are left over. At that point, simply multiply the co-primes with the prime numbers on the left. The answer will be , the LCD.

3. How to Find the LCD of using LCD formula ?

Answer: The LCD formula is LCD(a,b) = ( a x b) / GCF(a,b).

You must first calculate the LCD OF and . Then, find the LCD of that answer and and so on. The answer will be , which is the LCD of .